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Oklahoma (;
Choctaw The Choctaw (in the Choctaw language, Chahta) are a Native American people originally based in the Southeastern Woodlands, in what is now Alabama and Mississippi. Their Choctaw language is a Western Muskogean language. Today, Choctaw people are ...
: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a state in the South Central region of the United States, bordered by Texas on the south and west, Kansas on the north, Missouri on the northeast, Arkansas on the east, New Mexico on the west, and Colorado on the northwest. Partially in the western extreme of the Upland South, it is the 20th-most extensive and the 28th-most populous of the 50 United States. Its residents are known as Oklahomans and its capital and largest city is Oklahoma City. The state's name is derived from the
Choctaw The Choctaw (in the Choctaw language, Chahta) are a Native American people originally based in the Southeastern Woodlands, in what is now Alabama and Mississippi. Their Choctaw language is a Western Muskogean language. Today, Choctaw people are ...
words , 'people' and , which translates as 'red'. Oklahoma is also known informally by its nickname, " The Sooner State", in reference to the settlers who staked their claims on land before the official opening date of lands in the western Oklahoma Territory or before the Indian Appropriations Act of 1889, which increased European-American settlement in the eastern Indian Territory.
Oklahoma Territory The Territory of Oklahoma was an organized incorporated territory of the United States that existed from May 2, 1890, until November 16, 1907, when it was joined with the Indian Territory under a new constitution and admitted to the Union as th ...
and Indian Territory were merged into the State of Oklahoma when it became the 46th state to enter the union on November 16, 1907. With ancient mountain ranges, prairie, mesas, and eastern forests, most of Oklahoma lies in the
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
, Cross Timbers, and the
U.S. Interior Highlands The U.S. Interior Highlands is a mountainous region in the Central United States spanning northern and western Arkansas, southern Missouri, eastern Oklahoma, and extreme southeastern Kansas. The name is designated by the United States Geologica ...
, all regions prone to severe weather. Oklahoma is at a confluence of three major American cultural regions. Historically it served as a government-sanctioned territory for Native Americans removed from east of the Mississippi River, a route for cattle drives from Texas and related regions, and a destination for Southern settlers. There are currently twenty-five Native American languages still spoken in Oklahoma. A major producer of natural gas, oil, and agricultural products, Oklahoma relies on an economic base of aviation, energy, telecommunications, and biotechnology. Oklahoma City and Tulsa serve as Oklahoma's primary economic anchors, with nearly two-thirds of Oklahomans living within their metropolitan statistical areas.


Etymology

The name ''Oklahoma'' comes from the Choctaw language phrase , 'people', and , translated as 'red'. Choctaw Nation Chief
Allen Wright Allen Wright ( cho, Kiliahote, italic=no) (born November 1826 – December 2, 1885) was Principal Chief of the Choctaw Republic from late 1866 to 1870. He had been ordained as a Presbyterian minister in 1852 after graduating from Union Theolog ...
suggested the name in 1866 during treaty negotiations with the federal government on the use of Indian Territory. He envisioned an all–American Indian state controlled by the United States Superintendent of Indian Affairs. ''Oklahoma'' later became the de facto name for
Oklahoma Territory The Territory of Oklahoma was an organized incorporated territory of the United States that existed from May 2, 1890, until November 16, 1907, when it was joined with the Indian Territory under a new constitution and admitted to the Union as th ...
, and it was officially approved in 1890, two years after that area was opened to white settlers. In the Chickasaw language, the state is known as , in Arapaho as (literally meaning 'red earth'), paw, Uukuhuúwa, and cay, Gahnawiyoˀgeh.


History


Settlements

Indigenous peoples were present in what is now Oklahoma by the last ice age. Ancestors of the Wichita and Affiliated Tribes (including Teyas and
Escanjaques The Escanjaques were an American Indian tribe who lived in the Southern Plains. Juan de Oñate encountered the Escanjaque in 1601 during an expedition to the Great Plains of Texas, Oklahoma, and Kansas. The Escanjaques may have been identical wit ...
and Tawakoni), Tonkawa, and
Caddo The Caddo people comprise the Caddo Nation of Oklahoma, a federally recognized tribe headquartered in Binger, Oklahoma. They speak the Caddo language. The Caddo Confederacy was a network of Indigenous peoples of the Southeastern Woodlands, wh ...
(including
Kichai The Kichai tribe (also Keechi or Kitsai) was a Native American Southern Plains tribe that lived in Texas, Louisiana, and Oklahoma. Their name for themselves was K'itaish. History The Kichai were most closely related to the Pawnee. French exp ...
) lived in what is now Oklahoma. Southern Plains villagers lived in the central and west of the state, with a subgroup, the Panhandle culture people living in the panhandle region. Caddoan Mississippian culture peoples lived in the eastern part of the state. Spiro Mounds, in what is now Spiro, Oklahoma, was a major
Mississippian Mississippian may refer to: * Mississippian (geology), a subperiod of the Carboniferous period in the geologic timescale, roughly 360 to 325 million years ago *Mississippian culture, a culture of Native American mound-builders from 900 to 1500 AD ...
mound complex that flourished between AD 850 and 1450.
Plains Apache The Plains Apache are a small Southern Athabaskan group who live on the Southern Plains of North America, in close association with the linguistically unrelated Kiowa Tribe. Today, they are centered in Southwestern Oklahoma and Northern Texas an ...
people settled in the Southern Plains and in Oklahoma between 1300 and 1500. The Expedition of Spaniard
Francisco Vázquez de Coronado Francisco Vázquez de Coronado y Luján (; 1510 – 22 September 1554) was a Spanish conquistador and explorer who led a large expedition from what is now Mexico to present-day Kansas through parts of the southwestern United States between 15 ...
traveled through the state in 1541, but French explorers claimed the area in the early 18th century. By the 18th century, Comanche and Kiowa entered the region from the west and Quapaw and Osage peoples moved into what is now eastern Oklahoma. French colonists claimed the region until 1803, when all the French territory west of the Mississippi River was acquired by the United States in the Louisiana Purchase. The territory was a part of the Arkansas Territory from 1819 until 1828. During the 19th century, the US federal government forcibly removed tens of thousands of Native Americans from their homelands from across North America and transported them to the area including and surrounding present-day Oklahoma. The Choctaw was the first of the Five Civilized Tribes to be removed from the Southeastern United States. The phrase " Trail of Tears" originated from a description of the removal of the
Choctaw The Choctaw (in the Choctaw language, Chahta) are a Native American people originally based in the Southeastern Woodlands, in what is now Alabama and Mississippi. Their Choctaw language is a Western Muskogean language. Today, Choctaw people are ...
Nation in 1831, although the term is usually used for the Cherokee removal. Seventeen thousand Cherokees and 2,000 of their black slaves were deported. The area, already occupied by
Osage The Osage Nation, a Native American tribe in the United States, is the source of most other terms containing the word "osage". Osage can also refer to: * Osage language, a Dhaegin language traditionally spoken by the Osage Nation * Osage (Unicode b ...
and Quapaw tribes, was called for the Choctaw Nation until revised Native American and then later American policy redefined the boundaries to include other Native Americans. By 1890, more than 30 Native American nations and tribes had been concentrated on land within Indian Territory or "Indian Country". All Five Civilized Tribes supported and signed treaties with the Confederate military during the American Civil War. The
Cherokee Nation The Cherokee Nation (Cherokee: ᏣᎳᎩᎯ ᎠᏰᎵ ''Tsalagihi Ayeli'' or ᏣᎳᎩᏰᎵ ''Tsalagiyehli''), also known as the Cherokee Nation of Oklahoma, is the largest of three Cherokee federally recognized tribes in the United States. It ...
had an internal civil war. Slavery in Indian Territory was not abolished until 1866. In the period between 1866 and 1899, cattle ranches in Texas strove to meet the demands for food in eastern cities and railroads in Kansas promised to deliver in a timely manner. Cattle trails and cattle ranches developed as
cowboy A cowboy is an animal herder who tends cattle on ranches in North America, traditionally on horseback, and often performs a multitude of other ranch-related tasks. The historic American cowboy of the late 19th century arose from the '' vaquer ...
s either drove their product north or settled illegally in Indian Territory. In 1881, four of five major cattle trails on the western frontier traveled through Indian Territory. Increased presence of white settlers in Indian Territory prompted the United States Government to establish the Dawes Act in 1887, which divided the lands of individual tribes into allotments for individual families, encouraging farming and private land ownership among Native Americans but expropriating land to the federal government. In the process, railroad companies took nearly half of Indian-held land within the territory for outside settlers and for purchase. Major land runs, including the Land Run of 1889, were held for settlers where certain territories were opened to settlement starting at a precise time. Usually land was open to settlers on a first come first served basis. Those who broke the rules by crossing the border into the territory before the official opening time were said to have been crossing the border ''sooner'', leading to the term '' sooners'', which eventually became the state's official nickname. Deliberations to make the territory into a state began near the end of the 19th century, when the Curtis Act continued the allotment of Indian tribal land.


20th and 21st centuries

Attempts to create an all-Indian state named ''Oklahoma'' and a later attempt to create an all-Indian state named ''
Sequoyah Sequoyah (Cherokee language, Cherokee: ᏍᏏᏉᏯ, ''Ssiquoya'', or ᏎᏉᏯ, ''Se-quo-ya''; 1770 – August 1843), also known as George Gist or George Guess, was a Native Americans in the United States, Native American polymath of the Ch ...
'' failed but the Sequoyah Statehood Convention of 1905 eventually laid the groundwork for the Oklahoma Statehood Convention, which took place two years later. On June 16, 1906, Congress enacted a statute authorizing the people of the Oklahoma and Indian Territories (as well what would become the states of Arizona and New Mexico) to form a constitution and state government in order to be admitted as a state. On November 16, 1907, President Theodore Roosevelt issued Presidential Proclamation no.
780 __NOTOC__ Year 780 ( DCCLXXX) was a leap year starting on Saturday of the Julian calendar. The denomination 780 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Euro ...
, establishing Oklahoma as the 46th state in the Union. The new state became a focal point for the emerging oil industry, as discoveries of oil pools prompted towns to grow rapidly in population and wealth. Tulsa eventually became known as the "
Oil Capital of the World The title of "Oil Capital of the World" is often used to refer to Tulsa, Oklahoma. Houston, Texas, the current center of the oil industry, more frequently uses the sobriquet “ The Energy Capital of the World.” History In mid-19th century, ...
" for most of the 20th century and oil investments fueled much of the state's early economy. In 1927, Oklahoman businessman
Cyrus Avery Cyrus Stevens Avery (1871–1963) was a businessperson, oilman, and highway commissioner. He created the U.S. Route 66 while being a member of the federal board appointed to create the Federal Highway System, then pushed for the establishment of ...
, known as the "Father of Route 66", began the campaign to create U.S. Route 66. Using a stretch of highway from Amarillo, Texas to Tulsa, Oklahoma to form the original portion of Highway 66, Avery spearheaded the creation of the
U.S. Highway 66 Association The U.S. Highway 66 Association was organized in Tulsa, Oklahoma in 1927. Its purpose was to get U.S. Highway 66 paved from end to end and to promote tourism on the highway. The organization was similar to many that existed before the creation of ...
to oversee the planning of Route 66, based in his hometown of Tulsa. Oklahoma also has a rich African-American history. Many Black towns, founded by the Freedmen of the Five Tribes during Reconstruction, thrived in the early 20th century with the arrival of Black Exodusters who migrated from neighboring states, especially Kansas. The politician Edward P. McCabe encouraged Black settlers to come to what was then Indian Territory. McCabe discussed with President Theodore Roosevelt the possibility of making Oklahoma a majority-Black state. By the early 20th century, the
Greenwood Green wood is unseasoned wood. Greenwood or Green wood may also refer to: People * Greenwood (surname) Settlements Australia * Greenwood, Queensland, a locality in the Toowoomba Region * Greenwood, Western Australia, a suburb of Perth C ...
district of Tulsa was one of the most prosperous African-American communities in the United States. Jim Crow laws had established racial segregation since before the start of the 20th century, but Tulsa's Black residents had created a thriving area. Social tensions were exacerbated by the revival of the
Ku Klux Klan The Ku Klux Klan (), commonly shortened to the KKK or the Klan, is an American white supremacist, right-wing terrorist, and hate group whose primary targets are African Americans, Jews, Latinos, Asian Americans, Native Americans, and ...
after 1915. The Tulsa race massacre broke out in 1921, with White mobs attacking Black people and carrying out a pogrom in Greenwood. In one of the costliest episodes of racist violence in American history, sixteen hours of rioting resulted in 35 city blocks destroyed, $1.8 million in property damage, and a death toll estimated at between 75 and 300 people. By the late 1920s, the Ku Klux Klan had declined to negligible influence within the state. During the 1930s, parts of the state began suffering the consequences of poor farming practices. This period was known as the Dust Bowl, throughout which areas of Kansas, Texas, New Mexico and
northwestern Oklahoma Northwestern Oklahoma is the geographical region of the state of Oklahoma which includes the Oklahoma Panhandle and a majority of the Cherokee Outlet, stretching to an eastern extent along Interstate 35, and its southern extent along the Canad ...
were hampered by long periods of little rainfall, strong winds, abnormally high temperatures, and most notably, severe dust storms sending thousands of farmers into poverty and forcing them to relocate to more fertile areas of the western United States. Over a twenty-year period ending in 1950, the state saw its only historical decline in population, dropping 6.9 percent as impoverished families migrated out of the state after the Dust Bowl. Soil and water conservation projects markedly changed practices in the state and led to the construction of massive flood control systems and dams; they built hundreds of reservoirs and man-made lakes to supply water for domestic needs and agricultural irrigation. By the 1960s, Oklahoma had created more than 200 lakes, the most in the nation. In 1995, Oklahoma City was the site of the most destructive act of domestic terrorism in American history. The Oklahoma City bombing of April 19, 1995, in which Timothy McVeigh detonated a large, crude explosive device outside the Alfred P. Murrah Federal Building, killed 168 people, including 19 children. For his crime, McVeigh was executed by the federal government on June 11, 2001. His accomplice, Terry Nichols, is serving life in prison without parole for helping plan the attack and prepare the explosive. On May 31, 2016, several cities experienced record setting flooding. On July 9, 2020, the
Supreme Court of the United States The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that involve a point o ...
determined in ''
McGirt v. Oklahoma ''McGirt v. Oklahoma'', 591 U.S. ___ (2020), was a landmark United States Supreme Court case which ruled that, as pertaining to the Major Crimes Act, much of the eastern portion of the state of Oklahoma remains as Native American lands of the pr ...
'' that the reservations of the Five Tribes, comprising much of Eastern Oklahoma, were never disestablished by Congress and thus are still "Indian Country" for the purposes of criminal law.


Geography

Oklahoma is the 20th-largest state in the United States, covering an area of , with of land and of water. It lies partly in the
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
near the geographical center of the 48 contiguous states. It is bordered on the east by Arkansas and Missouri, on the north by Kansas, on the northwest by Colorado, on the far west by New Mexico, and on the south and near-west by Texas.


Borders

Oklahoma's border with Kansas was defined as the 37th Parallel in the 1854 Kansas-Nebraska Act. This was disputed with the Cherokee and Osage Nations which claimed their border extended North of this line and could not be part of the
Kansas Territory The Territory of Kansas was an organized incorporated territory of the United States that existed from May 30, 1854, until January 29, 1861, when the eastern portion of the territory was admitted to the United States, Union as the Slave and ...
. This was resolved in the 1870 with the
Drum Creek Treaty The Drum Creek Treaty came about from the controversy over the Sturges Treaty of 1868. The Sturges Osage Treaty was a treaty negotiated between the United States and the Osage Nation in 1868. The treaty was submitted to both the United States Ho ...
that reestablished Kansas's Southern Border as the 37th Parallel. This also applied to the then No-Man's Land that became the
Oklahoma Panhandle The Oklahoma Panhandle (formerly called No Man's Land, the Public Land Strip, the Neutral Strip, or Cimarron Territory) is a salient in the extreme northwestern region of the U.S. state of Oklahoma, consisting of Cimarron County, Texas Count ...
. The Oklahoma-Texas border consists of the Red River in the South and the 100th Meridian West as Western border between Oklahoma and the Texas Panhandle. These were first established in the 1819
Adams–Onís Treaty The Adams–Onís Treaty () of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty,Weeks, p.168. was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined t ...
between the United States and Spain. The Oklahoma panhandle was originally part of the Panhandle of the Republic of Texas, but when Texas joined the Union as a slave state, it could not retain any lands north of 36 degrees 30 minutes, as specified in the Missouri Compromise. The Panhandle existed as a no-man's land until 1907 when Oklahoma acquired the territory upon gaining statehood. Oklahoma's Eastern border is divided between Missouri and Arkansas. The Missouri-Oklahoma border is defined as the Meridian passing through the Kawsmouth, where the Kansas River meets the Missouri River. This is the same Meridian as the Kansas-Missouri border. The Oklahoma-Arkansas border was originally defined by two lines: the borders between Arkansas and the Cherokee and Choctaw Reservations. This formed two diagonal lines meeting at the western edge of Fort Smith Arkansas, with one line running northeast from the Red River and the other running southeast from the Oklahoma-Arkansas-Missouri border. The Choctaw-Arkansas border was established in the 1820 Treaty of Doak's Sand, and later refined in the 1830 Treaty of Dancing Rabbit Creek. These treaties left a 57-acre
exclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...
of the Choctaw reservation bounded by Arkansas, the Arkansas River and the Poteau River. This became the site of a smuggling camp called "Coke Hill", noted mostly for its importance in cocaine smuggling. After Petitioning congress to hand over jurisdiction, the 57 acres was given to Arkansas in 1905. The 1985 US Supreme Court Case Oklahoma v. Arkansas decided the land would remain Arkansas, even though the Choctaw had not been notified or asked about the territory being handed over. Therefore, the Poteau River serves as the Oklahoma-Arkansas boundary for approximately 1 mile, reducing the Choctaw Reservation and later Oklahoma by 57 acres as established in the treaties of the early 1800s.


Topography

Oklahoma is between the
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
and the Ozark Plateau in the Gulf of Mexico watershed, generally sloping from the high plains of its western boundary to the low wetlands of its southeastern boundary. Its highest and lowest points follow this trend, with its highest peak, Black Mesa, at above sea level, situated near its far northwest corner in the
Oklahoma Panhandle The Oklahoma Panhandle (formerly called No Man's Land, the Public Land Strip, the Neutral Strip, or Cimarron Territory) is a salient in the extreme northwestern region of the U.S. state of Oklahoma, consisting of Cimarron County, Texas Count ...
. The state's lowest point is on the Little River near its far southeastern boundary near the town of Idabel, which dips to above sea level. Among the most geographically diverse states, Oklahoma is one of four to harbor more than 10 distinct
ecological regions An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
, with 11 in its borders—more per square mile than in any other state. Its western and eastern halves, however, are marked by extreme differences in geographical diversity: Eastern Oklahoma touches eight ecological regions and its western half contains three. Although having fewer ecological regions Western Oklahoma contains many rare, relic species. Oklahoma has four primary mountain ranges: the Ouachita Mountains, the
Arbuckle Mountains The Arbuckle Mountains are an ancient mountain range in south-central Oklahoma in the United States. They lie in Murray, Carter, Pontotoc, and Johnston counties.
, the Wichita Mountains, and the Ozark Mountains. Contained within the
U.S. Interior Highlands The U.S. Interior Highlands is a mountainous region in the Central United States spanning northern and western Arkansas, southern Missouri, eastern Oklahoma, and extreme southeastern Kansas. The name is designated by the United States Geologica ...
region, the Ozark and Ouachita Mountains are the only major mountainous region between the Rocky Mountains and the Appalachians. A portion of the Flint Hills stretches into north-central Oklahoma, and near the state's eastern border, The Oklahoma Tourism & Recreation Department regards Cavanal Hill as the world's tallest hill; at , it fails their definition of a mountain by one foot. The semi-arid
high plains High Plains refers to one of two distinct land regions: *High Plains (United States), land region of the western Great Plains * High Plains (Australia), land region adjacent to the Great Dividing Range See also * Altiplano (disambiguation) The ...
in the state's northwestern corner harbor few natural forests; the region has a rolling to flat landscape with intermittent
canyon A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...
s and mesa ranges like the
Glass Mountains The Glass Mountains (also known as Gloss Mountains or Gloss Hills) are not actually mountains, but a series of mesas and buttes that are part of the Blaine Escarpment that extends from the Permian red beds of northwestern Oklahoma in Major Cou ...
. Partial plains interrupted by small, sky island mountain ranges like the Antelope Hills and the Wichita Mountains dot southwestern Oklahoma; transitional prairie and oak savannas cover the central portion of the state. The Ozark and Ouachita Mountains rise from west to east over the state's eastern third, gradually increasing in elevation in an eastward direction. More than 500 named creeks and rivers make up Oklahoma's waterways, and with 200 lakes created by dams, it holds the nation's highest number of artificial reservoirs. Most of the state lies in two primary drainage basins belonging to the Red and Arkansas rivers, though the Lee and Little rivers also contain significant drainage basins. File:turner falls ok.jpg, Turner Falls File:Rose rocks.jpg, State rock ( rose rock) specimens from Cleveland County File:Illinois River Oklahoma.jpg, alt=, Illinois River in northeastern Oklahoma File:Elk Mountain, OK.jpg, Elk Mountain, in the eastern Wichita Mountains, southwestern Oklahoma File:Wichita Mountains Narrows.jpg, Wichita Mountains Narrows File:Talimenavista1.jpg, The Ouachita Mountains cover much of southeastern Oklahoma. File:McIntosh County (Oklahoma).jpg, Grave Creek in McIntosh County File:Gloss Mountains.jpg, Mesas rise above one of Oklahoma's state parks


Flora and fauna

Due to Oklahoma's location at the confluence of many geographic regions, the state's climatic regions have a high rate of biodiversity. Forests cover 24 percent of Oklahoma and prairie grasslands composed of shortgrass, mixed-grass, and tallgrass prairie, harbor expansive ecosystems in the state's central and western portions, although cropland has largely replaced native grasses. Where rainfall is sparse in the state's western regions, shortgrass prairie and
shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It m ...
s are the most prominent ecosystems, though pinyon pines, red cedar (
juniper Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...
s), and
ponderosa pines ''Pinus ponderosa'', commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is t ...
grow near rivers and creek beds in the panhandle's far western reaches. Southwestern Oklahoma contains many rare, disjunct species including sugar maple, bigtooth maple, nolina and
Texas live oak ''Quercus fusiformis'' (also often referred to as ''Q. virginiana'' var. ''fusiformis''), commonly known as escarpment live oak, plateau live oak, plateau oak, or Texas live oak, is an evergreen or nearly evergreen tree. Its native range inc ...
. Marshlands,
cypress Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae. The word ''cypress'' is derived from Old French ''cipres'', which was imported from Latin ''cypressus'', the ...
forests and mixtures of shortleaf pine, loblolly pine, blue palmetto, and deciduous forests dominate the state's southeastern quarter, while mixtures of largely post oak, elm, red cedar ('' Juniperus virginiana'') and pine forests cover northeastern Oklahoma. The state holds populations of white-tailed deer, mule deer,
antelope The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia. Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mammals ...
,
coyote The coyote (''Canis latrans'') is a species of canis, canine native to North America. It is smaller than its close relative, the wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecologica ...
s, mountain lions,
bobcat The bobcat (''Lynx rufus''), also known as the red lynx, is a medium-sized cat native to North America. It ranges from southern Canada through most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUC ...
s, elk, and birds such as quail, doves, cardinals,
bald eagle The bald eagle (''Haliaeetus leucocephalus'') is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (''Haliaeetus albicilla''), which occupies the same niche as ...
s, red-tailed hawks, and pheasants. In prairie ecosystems, American bison, greater prairie chickens, badgers, and
armadillo Armadillos (meaning "little armored ones" in Spanish) are New World placental mammals in the order Cingulata. The Chlamyphoridae and Dasypodidae are the only surviving families in the order, which is part of the superorder Xenarthra, along wi ...
are common, and some of the nation's largest
prairie dog Prairie dogs (genus ''Cynomys'') are herbivorous burrowing ground squirrels native to the grasslands of North America. Within the genus are five species: black-tailed, white-tailed, Gunnison's, Utah, and Mexican prairie dogs. In Mexico, p ...
towns inhabit shortgrass prairie in the state's panhandle. The Cross Timbers, a region transitioning from prairie to woodlands in Central Oklahoma, harbors 351 vertebrate species. The Ouachita Mountains are home to black bear,
red fox The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the Order (biology), order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe ...
, gray fox, and river otter populations, which coexist with 328 vertebrate species in southeastern Oklahoma. Also, in southeastern Oklahoma lives the American alligator.


Protected lands

Oklahoma has fifty-one
state park State parks are parks or other protected areas managed at the sub-national level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural ...
s, six
national park A national park is a nature park, natural park in use for conservation (ethic), conservation purposes, created and protected by national governments. Often it is a reserve of natural, semi-natural, or developed land that a sovereign state dec ...
s or protected regions, two national protected forests or grasslands, and a network of wildlife preserves and conservation areas. Six percent of the state's 10 million acres (40,000 km2) of forest is public land, including the western portions of the Ouachita National Forest, the largest and oldest national forest in the Southern United States. With , the Tallgrass Prairie Preserve in north-central Oklahoma is the largest protected area of tallgrass prairie in the world and is part of an ecosystem that encompasses only ten percent of its former land area, once covering fourteen states. In addition, the Black Kettle National Grassland covers of prairie in southwestern Oklahoma. The Wichita Mountains Wildlife Refuge is the oldest and largest of nine
National Wildlife Refuge National Wildlife Refuge System is a designation for certain protected areas of the United States managed by the United States Fish and Wildlife Service. The National Wildlife Refuge System is the system of public lands and waters set aside to c ...
s in the state and was founded in 1901, encompassing . Of Oklahoma's federally protected parks or recreational sites, the Chickasaw National Recreation Area is the largest, with . Other sites include the Santa Fe and Trail of Tears national historic trails, the Fort Smith and Washita Battlefield national historic sites, and the Oklahoma City National Memorial.


Climate

Oklahoma is in a humid subtropical region which lies in a transition zone between semi-arid further to the west, humid continental to the north, and humid subtropical to the east and southeast. Most of the state lies in an area known as Tornado Alley characterized by frequent interaction between cold, dry air from Canada, warm to hot, dry air from Mexico and the Southwestern U.S., and warm, moist air from the Gulf of Mexico. The interactions between these three contrasting air currents produces severe weather (severe thunderstorms, damaging thunderstorm winds, large hail and tornadoes) with a frequency virtually unseen anywhere else on planet Earth. An average 62 tornadoes strike the state per year—one of the highest rates in the world. Because of Oklahoma's position between zones of differing prevailing temperature and winds, weather patterns within the state can vary widely over relatively short distances, and they can change drastically in a short time. On November 11, 1911, the temperature at Oklahoma City reached (the record high for that date), then a cold front of unprecedented intensity slammed across the state, causing the temperature to reach (the record low for that date) by midnight. This type of phenomenon is also responsible for many of the tornadoes in the area, such as the 1912 Oklahoma tornado outbreak when a warm front traveled along a stalled cold front, resulting in an average of about one tornado per hour. The
humid subtropical climate A humid subtropical climate is a zone of climate characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40° ...
(Köppen ''Cfa'') of central, southern and eastern Oklahoma is influenced heavily by southerly winds bringing moisture from the Gulf of Mexico. Traveling westward, the climate transitions progressively toward a semi-arid zone (Köppen ''BSk'') in the high plains of the Panhandle and other western areas from about Lawton westward, less frequently touched by southern moisture. Precipitation and temperatures decline from east to west accordingly, with areas in the southeast averaging an annual temperature of and an annual rainfall of generally over and up to , while areas of the (higher-elevation) panhandle average , with an annual rainfall under . Over almost all of Oklahoma, winter is the driest season. Average monthly precipitation increases dramatically in the spring to a peak in May, the wettest month over most of the state, with its frequent and not uncommonly severe thunderstorm activity. Early June can still be wet, but most years see a marked decrease in rainfall during June and early July. Mid-summer (July and August) represents a secondary dry season over much of Oklahoma, with long stretches of hot weather with only sporadic thunderstorm activity not uncommon many years. Severe drought is common in the hottest summers, such as those of 1934, 1954, 1980 and 2011, all of which featured weeks on end of virtual rainlessness and highs well over . Average precipitation rises again from September to mid-October, representing a secondary wetter season, then declines from late October through December. The entire state frequently experiences temperatures above or below , though below-zero temperatures are rare in south-central and southeastern Oklahoma. Snowfall ranges from an average of less than in the south to just over on the border of Colorado in the panhandle. The state is home to the Storm Prediction Center, the National Severe Storms Laboratory, and the
Warning Decision Training Division The Warning Decision Training Division (WDTD), known as the Warning Decision Training Branch until April 1, 2015, is one of three training organizations in the NWS Training Division which also includes the Forecast Decision Training Branch and the ...
, all part of the National Weather Service and in Norman.


Demographics

The people of Oklahoma can be of any race or ethnicity. An Oklahoman is a resident, native, or cultural descendant of Oklahoma.


Population

The United States Census Bureau estimates Oklahoma's population was 3,963,516 during the
2020 United States census The United States census of 2020 was the twenty-fourth decennial United States census. Census Day, the reference day used for the census, was April 1, 2020. Other than a pilot study during the 2000 census, this was the first U.S. census to of ...
, a 5.66% increase since the 2010 United States census. In 2010, the
center of population In demographics, the center of population (or population center) of a region is a geographical point that describes a centerpoint of the region's population. There are several ways of defining such a "center point", leading to different geogr ...
of Oklahoma was in Lincoln County near the town of
Sparks Sparks may refer to: Places *Sparks, Georgia * Sparks, Kansas *Sparks, Kentucky *Sparks, Maryland * Sparks, Nebraska *Sparks, Nevada *Sparks, Oklahoma *Sparks, Texas * Sparks, Bell County, Texas * Sparks, West Virginia Books * ''Sparks'' (Raffi ...
. The state's 2006 per capita personal income ranked 37th at $32,210, though it has the third-fastest-growing per capita income in the U.S. Oklahoma ranks consistently among the lowest states in cost of living index. In 2011, 7.0% of Oklahomans were under the age of 5, 24.7% under 18, and 13.7% were 65 or older. Females made up 50.5% of the population.


Race and ethnicity

As of the 2010 census, 72.2% of the population was white, 8.6% American Indian and Alaska Native, 7.4% black or African American, 1.7% Asian, 0.1% Native Hawaiian and Other Pacific Islander, 4.1% from some other race and 5.9% of two or more races. 8.9% of Oklahoma's population were of Hispanic, Latino, or Spanish origin (they may be of any race). In 2005, Oklahoma's estimated ancestral makeup was 14.5% German, 13.1% American, 11.8% Irish, 9.6% English, 8.1% African American, and 11.4% Native American (including 7.9% Cherokee) though the percentage of people claiming American Indian as their only race was 8.1%. Most people from Oklahoma who self-identify as having American ancestry are of overwhelmingly English and Scots-Irish ancestry with significant amounts of
Scottish Scottish usually refers to something of, from, or related to Scotland, including: *Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland *Scottish English *Scottish national identity, the Scottish ide ...
,
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
and Irish inflection as well. In 2011, 47.3% of Oklahoma's population younger than age1 were minorities, meaning they had at least one parent who was not non-Hispanic white. In 2011, U.S. Census Bureau
American Community Survey The American Community Survey (ACS) is a demographics survey program conducted by the U.S. Census Bureau. It regularly gathers information previously contained only in the long form of the decennial census, such as ancestry, citizenship, educati ...
data from 2005 to 2009 indicated about 5% of Oklahoma's residents were born outside the United States. This is lower than the national figure (about 12.5% of U.S. residents were foreign-born).


Cities and towns

The state is in the U.S. Census' Southern region. According to the 2020 United States census, Oklahoma is the 28th-most populous state with inhabitants but the 19th-largest by land area spanning of land. In 2010, Oklahoma was divided into 77 counties and contains 597
incorporated municipalities A municipal corporation is the legal term for a local governing body, including (but not necessarily limited to) cities, counties, towns, townships, charter townships, villages, and boroughs. The term can also be used to describe municipally owned ...
consisting of cities and towns. In Oklahoma, cities are all those incorporated communities which are 1,000 or more in population and are incorporated as cities. Towns are limited to town board type of municipal government. Cities may choose among aldermanic, mayoral, council-manager, and home-rule charter types of government. Cities may also petition to incorporate as towns. The Oklahoma City suburb Nichols Hills is first on
Oklahoma locations by per capita income Oklahoma is the 37th-richest state in the United States, with a per capita income of $32,210 in 2006 and the third fastest-growing per capita income in the United States. Oklahoma also has one of the lowest costs of living in the United States, m ...
at $73,661, though
Tulsa County Tulsa County is located in the U.S. state of Oklahoma. As of the 2020 census, the population was 669,279, making it the second-most populous county in Oklahoma, behind only Oklahoma County. Its county seat and largest city is Tulsa, the seco ...
holds the highest average.


Language


English

The English language has been official in the state of Oklahoma since 2010. The variety of North American English spoken is called Oklahoma English, and this dialect is quite diverse with its uneven blending of features of North Midland, South Midland, and
Southern Southern may refer to: Businesses * China Southern Airlines, airline based in Guangzhou, China * Southern Airways, defunct US airline * Southern Air, air cargo transportation company based in Norwalk, Connecticut, US * Southern Airways Express, M ...
dialects. In 2000, 2,977,187 Oklahomans—92.6% of the resident population, five years or older—spoke only English at home, a decrease from 95% in 1990. 238,732 Oklahoma residents reported speaking a language other than English at home in the 2000 census, about 7.4% of the state's population.


Native American languages

The two most commonly spoken native North American languages are Cherokee and
Choctaw The Choctaw (in the Choctaw language, Chahta) are a Native American people originally based in the Southeastern Woodlands, in what is now Alabama and Mississippi. Their Choctaw language is a Western Muskogean language. Today, Choctaw people are ...
with 10,000 Cherokee speakers living within the
Cherokee Nation The Cherokee Nation (Cherokee: ᏣᎳᎩᎯ ᎠᏰᎵ ''Tsalagihi Ayeli'' or ᏣᎳᎩᏰᎵ ''Tsalagiyehli''), also known as the Cherokee Nation of Oklahoma, is the largest of three Cherokee federally recognized tribes in the United States. It ...
tribal jurisdiction area of eastern Oklahoma, and another 10,000 Choctaw speakers living in the Choctaw Nation directly south of the Cherokees. Cherokee is an official language in the Cherokee Nation tribal jurisdiction area and in the United Keetoowah Band of Cherokee Indians. Twenty-five Native American languages are spoken in Oklahoma, second only to California. However, only Cherokee, if any, exhibits some language vitality at present. ''
Ethnologue ''Ethnologue: Languages of the World'' (stylized as ''Ethnoloɠue'') is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensiv ...
'' sees Cherokee as moribund because the only remaining active users of the language are members of the grandparent generation and older.


Other languages

Spanish is the second-most commonly spoken language in the state, with 141,060 speakers counted in 2000. German has 13,444 speakers representing about 0.4% of the state's population, and Vietnamese is spoken by 11,330 people, or about 0.4% of the population, many of whom live in the Asia District of Oklahoma City. Other languages include French with 8,258 speakers (0.3%), Chinese with 6,413 (0.2%), Korean with 3,948 (0.1%), Arabic with 3,265 (0.1%), other Asian languages with 3,134 (0.1%),
Tagalog Tagalog may refer to: Language * Tagalog language, a language spoken in the Philippines ** Old Tagalog, an archaic form of the language ** Batangas Tagalog, a dialect of the language * Tagalog script, the writing system historically used for Tagal ...
with 2,888 (0.1%), Japanese with 2,546 (0.1%), and African languages with 2,546 (0.1%).


Religion

Oklahoma is part of a geographical region characterized by conservative and Evangelical Christianity known as the " Bible Belt". Spanning the southern and eastern parts of the United States, the area is known for politically and socially conservative views, with the
Republican Party Republican Party is a name used by many political parties around the world, though the term most commonly refers to the United States' Republican Party. Republican Party may also refer to: Africa *Republican Party (Liberia) * Republican Part ...
having the greater number of voters registered between the two parties. Tulsa, the state's second-largest city, home to
Oral Roberts University Oral Roberts University (ORU) is a private evangelical university in Tulsa, Oklahoma. Founded in 1963, the university is named after its founder, evangelist Oral Roberts. Sitting on a campus, ORU offers over 70 undergraduate degree programs ...
, is sometimes called the " buckle of the Bible Belt". In 2000, there were about 5,000 Jews and 6,000 Muslims, with ten congregations to each group. According to the
Pew Research Center The Pew Research Center is a nonpartisan American think tank (referring to itself as a "fact tank") based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the w ...
in 2008, the majority of Oklahoma's religious adherents were
Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...
, accounting for about 80 percent of the population. The percentage of
Catholics The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
was half the national average, while the percentage of Evangelical Protestants was more than twice the national average (tied with Arkansas for the largest percentage of any state). In 2010, the state's largest church memberships were in the
Southern Baptist Convention The Southern Baptist Convention (SBC) is a Christian denomination based in the United States. It is the world's largest Baptist denomination, and the largest Protestant and second-largest Christian denomination in the United States. The wor ...
(886,394 members), the United Methodist Church (282,347), the Roman Catholic Church (178,430), and the
Assemblies of God The Assemblies of God (AG), officially the World Assemblies of God Fellowship, is a group of over 144 autonomous self-governing national groupings of churches that together form the world's largest Pentecostal denomination."Assemblies of God". ...
(85,926) and the Church of Jesus Christ of Latter-day Saints (
Mormons Mormons are a religious and cultural group related to Mormonism, the principal branch of the Latter Day Saint movement started by Joseph Smith in upstate New York during the 1820s. After Smith's death in 1844, the movement split into several ...
) (47,349). Other religions represented in the state include Buddhism, Hinduism, and
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic religions, Abrahamic Monotheism#Islam, monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God in Islam, God (or ...
. According to the
Pew Research Center The Pew Research Center is a nonpartisan American think tank (referring to itself as a "fact tank") based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the w ...
in 2014, the majority of Oklahoma's religious adherents were
Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...
accounting for 79 percent of the population, 9 percent higher than the national average. The percentage of Evangelical Protestants declined since the last study, but they remain the largest religious group in the state at 47 percent, over 20 percent higher than the national average. The largest growth over the six years between Pew's 2008 and 2014 survey was in the number of people who identify as Unaffiliated in the state with an increase of 6 percent.


Incarceration

Oklahoma has been described as "the world's prison capital", with 1,079 of every 100,000 residents imprisoned in 2018, the highest incarceration rate of any state, and by comparison, higher than the
incarceration rates This is a list of countries and some dependent territories and subnational areas by incarceration rate. Oklahoma is host to a diverse range of sectors including aviation, energy, transportation equipment,
food processing Food processing is the transformation of agricultural products into food, or of one form of food into other forms. Food processing includes many forms of processing foods, from grinding grain to make raw flour to home cooking to complex industr ...
, electronics, and telecommunications. Oklahoma is an important producer of natural gas, aircraft, and
food Food is any substance consumed by an organism for nutritional support. Food is usually of plant, animal, or fungal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is inge ...
. The state ranks third in the nation for production of natural gas, is the 27th-most agriculturally productive state, and also ranks 5th in production of wheat. Four
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune'' magazine that ranks 500 of the largest United States corporations by total revenue for their respective fiscal years. The list includes publicly held companies, along ...
companies and six Fortune 1000 companies are headquartered in Oklahoma, and it has been rated one of the most business-friendly states in the nation, with the 7th-lowest tax burden in 2007. * Total employment (2018): 1,385,228 * Number of employer establishments: 93,561 In 2010, Oklahoma City-based Love's Travel Stops & Country Stores ranked 18th on the Forbes list of largest private companies, Tulsa-based QuikTrip ranked 37th, and Oklahoma City-based Hobby Lobby ranked 198th in 2010 report. Oklahoma's gross domestic product grew from $131.9 billion in 2006 to $147.5 billion in 2010, a jump of 10.6 percent. Oklahoma's gross domestic product per capita was $35,480 in 2010, which was ranked 40th among the states. Though oil has historically dominated the state's economy, a collapse in the energy industry during the 1980s led to the loss of nearly 90,000 energy-related jobs between 1980 and 2000, severely damaging the local economy. Oil accounted for 35 billion dollars in Oklahoma's economy in 2007, and employment in the state's oil industry was outpaced by five other industries in 2007. , the state's unemployment rate is 5.3%.


Industry

In mid-2011, Oklahoma had a civilian labor force of 1.7 million and non-farm employment fluctuated around 1.5 million. The government sector provides the most jobs, with 339,300 in 2011, followed by the transportation and utilities sector, providing 279,500 jobs, and the sectors of education, business, and manufacturing, providing 207,800, 177,400, and 132,700 jobs, respectively. Among the state's largest industries, the aerospace sector generates $11 billion annually. Tulsa is home to the largest airline maintenance base in the world, which serves as the global maintenance and engineering headquarters for American Airlines. In total, aerospace accounts for more than 10 percent of Oklahoma's industrial output, and it is one of the top 10 states in aerospace engine manufacturing. Because of its position in the center of the United States, Oklahoma is also among the top states for logistic centers, and a major contributor to weather-related research. The state is the top manufacturer of tires in North America and contains one of the fastest-growing biotechnology industries in the nation. In 2005, international exports from Oklahoma's manufacturing industry totaled $4.3 billion, accounting for 3.6 percent of its economic impact. Tire manufacturing, meat processing, oil and gas equipment manufacturing, and air conditioner manufacturing are the state's largest manufacturing industries.


Energy

Oklahoma is the nation's third-largest producer of natural gas, and its fifth-largest producer of crude oil. The state also has the second-greatest number of active drilling rigs, and it is even ranked fifth in crude oil reserves. While the state was ranked eighth for installed wind energy capacity in 2011, it still was at the bottom of states in usage of
renewable energy Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, the movement of water, and geothermal heat. Although most renewable energy ...
in 2009, with 94% of its electricity being generated by
non-renewable A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuels. The original organic mat ...
sources in 2009, including 25% from coal and 46% from natural gas. Ten years later in 2019, 53.5% of electricity was produced from natural gas and 34.6% from wind power. Oklahoma has no nuclear power plants. Ranking 13th for total energy consumption per capita in 2009, the state's energy costs were eighth-lowest in the nation. As a whole, the oil energy industry contributes $35 billion to Oklahoma's gross domestic product (GDP), and employees of the state's oil-related companies earn an average of twice the state's typical yearly income. In 2009, the state had 83,700 commercial oil wells churning of crude oil. 8.5% of the nation's natural gas supply is held in Oklahoma, with being produced in 2009. The Oklahoma Stack Play is a geographic referenced area in the Anadarko Basin. The oil field "Sooner Trend", Anadarko basin and the counties of Kingfisher and Canadian make up the basis for the "Oklahoma STACK". Other Plays such as the Eagle Ford are geological rather than geographical. According to '' Forbes'' magazine, Oklahoma City-based Devon Energy Corporation, Chesapeake Energy Corporation, and SandRidge Energy Corporation are the largest private oil-related companies in the nation, and all Oklahoma's Fortune 500 companies are energy-related. Tulsa's ONEOK and Williams Companies are the state's largest and second-largest companies respectively, also ranking as the nation's second- and third-largest companies in the field of energy, according to ''Fortune'' magazine. The magazine also placed Devon Energy as the second-largest company in the mining and crude oil-producing industry in the nation, while Chesapeake Energy ranks seventh respectively in that sector and Oklahoma Gas & Electric ranks as the 25th-largest gas and electric utility company. Oklahoma Gas & Electric, commonly referred to as OG&E (NYSE: OGE) operates four base electric power plants in Oklahoma. Two of them are coal-fired power plants: one in Muskogee, and the other in Red Rock. Two are gas-fired power plants: one in Harrah and the other in Konawa. OG&E was the first electric company in Oklahoma to generate electricity from wind farms in 2003.


Wind generation


Agriculture

The 27th-most agriculturally productive state, Oklahoma is fifth in cattle production and fifth in production of wheat. Approximately 5.5 percent of American beef comes from Oklahoma, while the state produces 6.1 percent of American wheat, 4.2 percent of American pig products, and 2.2 percent of dairy products. The state had 85,500 farms in 2012, collectively producing $4.3 billion in animal products and fewer than one billion dollars in crop output with more than $6.1 billion added to the state's gross domestic product. Poultry and swine are its second- and third-largest agricultural industries.


Education

With an educational system made up of public school districts and independent private institutions, Oklahoma had 638,817 students enrolled in 1,845 public primary, secondary, and vocational schools in 533 school districts . Oklahoma has the highest enrollment of Native American students in the nation with 126,078 students in the 2009–10 school year. Oklahoma spent $7,755 for each student in 2008, and was 47th in the nation in expenditures per student, though its growth of total education expenditures between 1992 and 2002 ranked 22nd. The state is among the best in
pre-kindergarten Pre-kindergarten (also called Pre-K or PK) is a voluntary classroom-based preschool program for children below the age of five in the United States, Canada, Turkey and Greece (when kindergarten starts). It may be delivered through a preschool ...
education, and the National Institute for Early Education Research rated it first in the United States with regard to standards, quality, and access to pre-kindergarten education in 2004, calling it "a model for early childhood schooling". High school dropout rate decreased from 3.1 to 2.5 percent between 2007 and 2008 with Oklahoma ranked among 18 other states with 3 percent or less dropout rate. In 2004, the state ranked 36th in the nation for the relative number of adults with
high school diploma A high school diploma or high school degree is a North American academic school leaving qualification awarded upon high school graduation. The high school diploma is typically obtained after a course of study lasting four years, from grade 9 to gra ...
s, though at 85.2 percent, it had the highest rate among Southern states. According to a study conducted by the Pell Institute, Oklahoma ranks 48th in college-participation for low-income students. The University of Oklahoma, Oklahoma State University, the University of Central Oklahoma, and Northeastern State University are the largest public institutions of higher education in Oklahoma, each operating through one primary campus and satellite campuses throughout the state. The two state universities, along with Oklahoma City University and the
University of Tulsa The University of Tulsa (TU) is a private research university in Tulsa, Oklahoma. It has a historic affiliation with the Presbyterian Church and the campus architectural style is predominantly Collegiate Gothic. The school traces its origin to ...
, rank among the country's best in undergraduate business programs.
Oklahoma City University School of Law Oklahoma City University School of Law, also known as OCU Law, is the law school of Oklahoma City University. OCU Law is located in Oklahoma City, Oklahoma and was founded in 1907. OCU Law was located in the Sarkeys Law Center on the southwest side ...
, University of Oklahoma College of Law, and University of Tulsa College of Law are the state's only ABA-accredited institutions. Both University of Oklahoma and University of Tulsa are Tier1 institutions, with the University of Oklahoma ranked 68th and the University of Tulsa ranked 86th in the nation. Oklahoma holds eleven public regional universities, including Northeastern State University, the second-oldest institution of higher education west of the Mississippi River, also containing the only College of
Optometry Optometry is a specialized health care profession that involves examining the eyes and related structures for defects or abnormalities. Optometrists are health care professionals who typically provide comprehensive primary eye care. In the Uni ...
in Oklahoma and the largest enrollment of Native American students in the nation by percentage and amount. Langston University is Oklahoma's only historically black college. Six of the state's universities were placed in the Princeton Review's list of best 122 regional colleges in 2007, and three made the list of top colleges for best value. The state has 55 post-secondary technical institutions operated by Oklahoma's CareerTech program for training in specific fields of industry or trade. In the 2007–2008 school year, there were 181,973 undergraduate students, 20,014 graduate students, and 4,395 first-professional degree students enrolled in Oklahoma colleges. Of these students, 18,892 received a bachelor's degree, 5,386 received a master's degree, and 462 received a first professional degree. This means the state of Oklahoma produces an average of 38,278-degree-holders per completions component (i.e. July 1, 2007June 30, 2008). National average is 68,322 total degrees awarded per completions component. Beginning on April 2, 2018, tens of thousands of K–12 public school teachers went on strike due to lack of funding. According to the National Education Association, teachers in Oklahoma had ranked 49th out of the 50 states in terms of teacher pay in 2016. The Oklahoma Legislature had passed a measure a week earlier to raise teacher salaries by $6,100, but it fell short of the $10,000 raise for teachers, $5,000 raise for other school employees, and $200 million increase in extra education funding many had sought. A survey in 2019 found that the pay raise obtained by the strike lifted the State's teacher pay ranking to 34th in the nation.


Non-English education

The
Cherokee Nation The Cherokee Nation (Cherokee: ᏣᎳᎩᎯ ᎠᏰᎵ ''Tsalagihi Ayeli'' or ᏣᎳᎩᏰᎵ ''Tsalagiyehli''), also known as the Cherokee Nation of Oklahoma, is the largest of three Cherokee federally recognized tribes in the United States. It ...
instigated a ten-year plan in 2005 that involved growing new speakers of the
Cherokee language 200px, Number of speakers Cherokee or Tsalagi ( chr, ᏣᎳᎩ ᎦᏬᏂᎯᏍᏗ, ) is an endangered-to-moribund Iroquoian language and the native language of the Cherokee people. ''Ethnologue'' states that there were 1,520 Cherokee speaker ...
from childhood as well as speaking it exclusively at home. The plan was part of an ambitious goal that in fifty years would have at least 80% of their people fluent. The Cherokee Preservation Foundation has invested $3 million into opening schools, training teachers, and developing curricula for language education, as well as initiating community gatherings where the language can be actively used. A Cherokee language immersion school in Tahlequah, Oklahoma educates students from pre-school through eighth grade.


Culture

Oklahoma is placed in the South by the United States Census Bureau, but other definitions place the state at least partly in the Southwest,
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
, Upland South, and
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
. Oklahomans have a high rate of English, Scotch-Irish, German, and Native American ancestry, with 25 different native languages spoken. Because many Native Americans were forced to move to Oklahoma when White settlement in North America increased, Oklahoma has much linguistic diversity. Mary Linn, an associate professor of anthropology at the University of Oklahoma and the associate curator of Native American languages at the Sam Noble Museum, notes Oklahoma also has high levels of language endangerment. Sixty-seven Native American tribes are represented in Oklahoma, including 39 federally recognized tribes, who are headquartered and have tribal jurisdictional areas in the state. Western ranchers, Native American tribes, Southern settlers, and eastern oil barons have shaped the state's cultural predisposition, and its largest cities have been named among the most underrated cultural destinations in the United States. Residents of Oklahoma are associated with traits of Southern hospitality—the 2006 Catalogue for Philanthropy (with data from 2004) ranks Oklahomans 7th in the nation for overall generosity. The state has also been associated with a negative cultural
stereotype In social psychology, a stereotype is a generalized belief about a particular category of people. It is an expectation that people might have about every person of a particular group. The type of expectation can vary; it can be, for example ...
first popularized by
John Steinbeck John Ernst Steinbeck Jr. (; February 27, 1902 – December 20, 1968) was an American writer and the 1962 Nobel Prize in Literature winner "for his realistic and imaginative writings, combining as they do sympathetic humor and keen social ...
's 1939 novel '' The Grapes of Wrath'', which described the plight of uneducated, poverty-stricken Dust Bowl-era farmers deemed " Okies". While the term is often used in a positive manner by Oklahomans, it is still considered a derogatory term by many.


Arts

In the state's largest urban areas, pockets of jazz culture flourish, and Native American,
Mexican American Mexican Americans ( es, mexicano-estadounidenses, , or ) are Americans of full or partial Mexican heritage. In 2019, Mexican Americans comprised 11.3% of the US population and 61.5% of all Hispanic and Latino Americans. In 2019, 71% of Mexica ...
, and Asian American communities produce music and art of their respective cultures. The Oklahoma Mozart Festival in
Bartlesville Bartlesville is a city mostly in Washington County in the U.S. state of Oklahoma. The population was 37,290 at the 2020 census. Bartlesville is north of Tulsa and south of the Kansas border. It is the county seat of Washington County. The ...
is one of the largest classical music festivals on the southern plains, and Oklahoma City's Festival of the Arts has been named one of the top fine arts festivals in the nation. The state has a rich history in ballet with five Native American ballerinas attaining worldwide fame. These were Yvonne Chouteau, sisters
Marjorie Marjorie is a female given name derived from Margaret, which means pearl. It can also be spelled as Margery or Marjory. Marjorie is a medieval variant of Margery, influenced by the name of the herb marjoram. It came into English from the Old Fre ...
and Maria Tallchief, Rosella Hightower and Moscelyne Larkin, known collectively as the
Five Moons The Five Moons were five Native American ballerinas from the U.S. state of Oklahoma who achieved international recognition during the 20th century. The five women were Myra Yvonne Chouteau, Rosella Hightower, Moscelyne Larkin, and sisters Maria ...
. '' The New York Times'' rates the
Tulsa Ballet Tulsa Ballet is a professional American ballet company located in Tulsa, Oklahoma. The artistic mission of Tulsa Ballet is "To preserve the tradition of classical ballet, promote the appreciation of contemporary dance, create works of superior and ...
as one of the top ballet companies in the United States. The Oklahoma City Ballet and University of Oklahoma's dance program were formed by ballerina Yvonne Chouteau and husband
Miguel Terekhov Miguel Terekhov (August 22, 1928 – January 3, 2012) was a Uruguayan-born American ballet dancer and ballet instructor. Terekhov and his wife, Yvonne Chouteau, one of the Five Moons, a group of Native American ballet dancers, founded the Schoo ...
. The university program was founded in 1962 and was the first fully accredited program of its kind in the United States. In Sand Springs, an outdoor amphitheater called "Discoveryland!" (since closed) is the official performance headquarters for the musical '' Oklahoma!''
Ridge Bond Ridgely McClure "Ridge" Bond (July 12, 1922 – May 6, 1997) was an American actor, singer and businessman, who is best known for playing the role of Curly in the musical ''Oklahoma!'' on Broadway and on tour. He retired from acting when the music ...
, native of McAlester, Oklahoma, starred in the Broadway and International touring productions of ''Oklahoma!'', playing the role of "Curly McClain" in more than 2,600 performances. In 1953 he was featured along with the '' Oklahoma!'' cast on a CBS
Omnibus Omnibus may refer to: Film and television * ''Omnibus'' (film) * Omnibus (broadcast), a compilation of Radio or TV episodes * ''Omnibus'' (UK TV series), an arts-based documentary programme * ''Omnibus'' (U.S. TV series), an educational progr ...
television broadcast. Bond was instrumental in the Oklahoma! title song becoming the Oklahoma state song and is also featured on the U.S. postage stamp commemorating the musical's 50th anniversary. Historically, the state has produced musical styles such as
The Tulsa Sound The Tulsa sound is a popular musical style that originated in Tulsa, Oklahoma, during the second half of the twentieth century. It is a mix of blues, blues rock, country, rock and roll and swamp pop sounds of the late 1950s and early 1960s. Artis ...
and western swing, which was popularized at Cain's Ballroom in Tulsa. The building, known as the "Carnegie Hall of Western Swing", served as the performance headquarters of Bob Wills and the Texas Playboys during the 1930s. Stillwater is known as the epicenter of Red Dirt music, the best-known proponent of which is the late
Bob Childers Robert Wayne Childers (November 20, 1946 – April 22, 2008) was an American country-folk musician and singer-songwriter from the state of Oklahoma. Both before and after his death, he achieved widespread critical acclaim having been compared ...
. Prominent theatre companies in Oklahoma include, in the capital city,
Lyric Theatre of Oklahoma Lyric may refer to: * Lyrics, the words, often in verse form, which are sung, usually to a melody, and constitute the semantic content of a song * Lyric poetry is a form of poetry that expresses a subjective, personal point of view * Lyric, from t ...
, Oklahoma City Theatre Company, Carpenter Square Theatre, Oklahoma Shakespeare in the Park, and CityRep. CityRep is a professional company affording equity points to those performers and technical theatre professionals. In Tulsa, Oklahoma's oldest resident professional company is American Theatre Company, and Theatre Tulsa is the oldest community theatre company west of the Mississippi. Other companies in Tulsa include
Heller Theatre The Heller Theatre in Tulsa, Oklahoma is the largest community theatre in Oklahoma. It was founded in October 1981 by Ken Spence with the partnership of Theatre Tulsa and has since produced more than one hundred shows including two dozen world prem ...
and Tulsa Spotlight Theater. The cities of Norman, Lawton, and Stillwater, among others, also host well-reviewed community theatre companies. Oklahoma is in the nation's middle percentile in per capita spending on the arts, ranking 17th, and contains more than 300 museums. The
Philbrook Museum Philbrook Museum of Art is an art museum with expansive formal gardens located in Tulsa, Oklahoma. The museum, which opened in 1939, is located in a former 1920s villa, "Villa Philbrook", the home of Oklahoma oil pioneer Waite Phillips and his wi ...
of Tulsa is considered one of the top 50 fine art museums in the United States, and the
Sam Noble Oklahoma Museum of Natural History Sam, SAM or variants may refer to: Places * Sam, Benin * Sam, Boulkiemdé, Burkina Faso * Sam, Bourzanga, Burkina Faso * Sam, Kongoussi, Burkina Faso * Sam, Iran * Sam, Teton County, Idaho, United States, a populated place People and fictional ...
in Norman, one of the largest university-based art and history museums in the country, documents the natural history of the region. The collections of
Thomas Gilcrease William Thomas Gilcrease (February 8, 1890 – May 6, 1962) was an American oilman, art collector, and philanthropist. During his lifetime, Gilcrease collected more than 10,000 artworks, 250,000 Native American artifacts and 100,000 rare book ...
are housed in the Gilcrease Museum of Tulsa, which also holds the world's largest, most comprehensive collection of art and artifacts of the American West. The Egyptian art collection at the
Mabee-Gerrer Museum of Art The Mabee-Gerrer Museum of Art is a non-profit art museum in Shawnee, Oklahoma, USA. It is located on the Oklahoma Baptist University Green Campus, being the campus of the former St. Gregory's University. The museum operated independently of St. ...
in Shawnee is considered to be the finest Egyptian collection between Chicago and Los Angeles. The Oklahoma City Museum of Art contains the most comprehensive collection of glass sculptures by artist
Dale Chihuly Dale Chihuly () (born September 20, 1941) is an American glass artist and entrepreneur. He is best known in the field of blown glass, "moving it into the realm of large-scale sculpture". Early life Dale Patrick Chihuly was born on September 20 ...
in the world, and Oklahoma City's
National Cowboy & Western Heritage Museum The National Cowboy & Western Heritage Museum is a museum in Oklahoma City, Oklahoma, United States, with more than 28,000 American West, Western and Native Americans in the United States, American Indian art works and Artifact (archaeology), ar ...
documents the heritage of the American Western frontier. With remnants of the Holocaust and artifacts relevant to Judaism, the Sherwin Miller Museum of Jewish Art of Tulsa preserves the largest collection of Jewish art in the Southwest United States.


Festivals and events

Oklahoma's centennial celebration was named the top event in the United States for 2007 by the
American Bus Association The American Bus Association (ABA) is a trade association for motorcoach operators and tour companies in the United States and Canada. Its membership consists of about 1,000 companies that operate buses or bus-based tours, about 2,800 organizati ...
, and consisted of multiple celebrations saving with the 100th anniversary of
statehood A state is a centralized political organization that imposes and enforces rules over a population within a territory. There is no undisputed definition of a state. One widely used definition comes from the German sociologist Max Weber: a "sta ...
on November 16, 2007. Annual ethnic festivals and events take place throughout the state such as Native American powwows and ceremonial events, and include festivals (as examples) in
Scottish Scottish usually refers to something of, from, or related to Scotland, including: *Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland *Scottish English *Scottish national identity, the Scottish ide ...
, Irish, German, Italian, Vietnamese, Chinese, Czech, Jewish, Arab,
Mexican Mexican may refer to: Mexico and its culture *Being related to, from, or connected to the country of Mexico, in North America ** People *** Mexicans, inhabitants of the country Mexico and their descendants *** Mexica, ancient indigenous people ...
and African-American communities depicting cultural heritage or traditions. Oklahoma City is home to a few reoccurring events and festivals. During a ten-day run in Oklahoma City, the State Fair of Oklahoma attracts roughly one million people along with the annual Festival of the Arts. Large national
pow wow A powwow (also pow wow or pow-wow) is a gathering with dances held by many Native American and First Nations communities. Powwows today allow Indigenous people to socialize, dance, sing, and honor their cultures. Powwows may be private or pu ...
s, various Latin and Asian heritage festivals, and cultural festivals such as the Juneteenth celebrations are held in Oklahoma City each year. The Oklahoma City
Pride Parade A pride parade (also known as pride march, pride event, or pride festival) is an outdoor event celebrating lesbian, gay, bisexual, transgender, and queer culture, queer (LGBTQ) social and self-acceptance, achievements, LGBT rights by country o ...
has been held annually in late June since 1987 in the gay district of Oklahoma City on 39th and Penn. The First Friday Art Walk in the Paseo Arts District is an art appreciation festival held the first Friday of every month. Additionally, an annual art festival is held in the Paseo on Memorial Day Weekend. The Tulsa State Fair attracts more than a million people each year during its ten-day run, and the city's Mayfest festival entertained more than 375,000 in four days during 2007. In 2006, Tulsa's Oktoberfest was named one of the top 10 in the world by '' USA Today''. Norman plays host to the
Norman Music Festival Norman Music Festival (NMF) is an annual three-day American music festival created by Robert Ruiz, Wilmari Ruiz, Marta Burcham, Jim Wilson, Quentin Bomgardner, Kent Johnson, Jonathan Fowler, and Xian Pitt that takes place in downtown Norman, Okla ...
, a festival that highlights native Oklahoma bands and musicians. Norman is also host to the Medieval Fair of Norman, which has been held annually since 1976 and was Oklahoma's first medieval fair. The Fair was held first on the south oval of the University of Oklahoma campus and in the third year moved to the Duck Pond in Norman until the Fair became too big and moved to Reaves Park in 2003. The Medieval Fair of Norman is Oklahoma's "largest weekend event and the third-largest event in Oklahoma, and was selected by Events Media Network as one of the top 100 events in the nation".


Sports

The Oklahoma City Thunder of the National Basketball Association (NBA) is the state's only major league sports franchise. The state had a team in the Women's National Basketball Association, the Tulsa Shock, from 2010 through 2015, but the team relocated to Dallas–Fort Worth after that season and became the
Dallas Wings The Dallas Wings are an American basketball team based in Arlington, Texas. The Wings play in the Western Conference in the Women's National Basketball Association (WNBA). The team is owned by a group which is led by chairman Bill Cameron. Greg ...
. Oklahoma has teams in several minor leagues, including Minor League Baseball at the Triple-A and Double-A levels (the Oklahoma City Dodgers and
Tulsa Drillers The Tulsa Drillers are a minor league baseball team based in Tulsa, Oklahoma. The team, which plays in the Texas League, is the Double-A affiliate of the Los Angeles Dodgers major-league club. Stadium The Drillers play at ONEOK Field (pronounc ...
, respectively), hockey's ECHL with the Tulsa Oilers, and a number of indoor football leagues. In the last-named sport, the state's most notable team was the Tulsa Talons, which played in the Arena Football League until 2012, when the team was moved to San Antonio, Texas. The Oklahoma Defenders replaced the Talons as Tulsa's only professional arena football team, playing the
CPIFL The Champions Professional Indoor Football League (CPIFL) was an indoor football minor league based along the Midwestern United States region. The league began play in February 2013. In August 2014, the CPIFL and Lone Star Football League (LSFL) ...
. The Oklahoma City Blue, of the NBA G League, relocated to Oklahoma City from Tulsa in 2014, where they were formerly known as the Tulsa 66ers. Tulsa is the base for the
Tulsa Revolution The Tulsa Revolution was a professional indoor soccer team from Tulsa, Oklahoma, which began play in the Professional Arena Soccer League with the 2013–14 season then segued to the Major Arena Soccer League for the 2014–15 season. The tea ...
, which plays in the American Indoor Soccer League. Enid and Lawton host professional basketball teams in the USBL and the CBA. Collegiate athletics are a popular draw in the state. The state has four schools that compete at the highest level of college sports, NCAA Division I. The most prominent are the state's two members of the Big 12 Conference, one of the so-called Power Five conferences of the top tier of college football, Division I FBS. The University of Oklahoma and Oklahoma State University average well over 50,000 fans attending their football games, and Oklahoma's football program ranked 12th in attendance among American colleges in 2010, with an average of 84,738 people attending its home games. The two universities meet several times each year in rivalry matches known as the Bedlam Series, which are some of the greatest sporting draws to the state. '' Sports Illustrated'' magazine rates Oklahoma and Oklahoma State among the top colleges for athletics in the nation. Two private institutions in Tulsa, the
University of Tulsa The University of Tulsa (TU) is a private research university in Tulsa, Oklahoma. It has a historic affiliation with the Presbyterian Church and the campus architectural style is predominantly Collegiate Gothic. The school traces its origin to ...
and
Oral Roberts University Oral Roberts University (ORU) is a private evangelical university in Tulsa, Oklahoma. Founded in 1963, the university is named after its founder, evangelist Oral Roberts. Sitting on a campus, ORU offers over 70 undergraduate degree programs ...
; are also Division I members. Tulsa competes in FBS football and other sports in the American Athletic Conference, while Oral Roberts, which does not sponsor football, is a member of the Summit League. In addition, 12 of the state's smaller colleges and universities compete in NCAA Division II as members of three different conferences, and eight other Oklahoma institutions participate in the NAIA, mostly within the Sooner Athletic Conference. Regular
LPGA The Ladies Professional Golf Association (LPGA) is an American organization for female golfers. The organization is headquartered at the LPGA International in Daytona Beach, Florida, and is best known for running the LPGA Tour, a series of weekl ...
tournaments are held at Cedar Ridge Country Club in Tulsa, and major championships for the
PGA PGA is an acronym or initialism that may stand for: Aviation * IATA code for Page Municipal Airport, Coconino County, Arizona * ICAO designator for Portugália, regional airline based in Lisbon, Portugal * Abbreviation for Prince George Airport ...
or LPGA have been played at
Southern Hills Country Club Southern Hills Country Club is a private golf and country club in Tulsa, Oklahoma. History The club was established in 1935 from land donated by multimillionaire oilman Waite Phillips (Frank Phillips, Waite's brother, was the namesake and fou ...
in Tulsa, Oak Tree Country Club in Oklahoma City, and Cedar Ridge Country Club in Tulsa. Rated one of the top golf courses in the nation, Southern Hills has hosted five PGA Championships, including one in 2022, and three U.S. Opens, the most recent in 2001.
Rodeo Rodeo () is a competitive equestrian sport that arose out of the working practices of cattle herding in Spain and Mexico, expanding throughout the Americas and to other nations. It was originally based on the skills required of the working va ...
s are popular throughout the state, and
Guymon Guymon ( ) is a city and county seat of Texas County, in the panhandle of Oklahoma, United States. As of the 2020 census, the city population was 12,965, an increase of 13.3% from 11,442 in 2010, and represents more than half of the population ...
, in the state's panhandle, hosts one of the largest in the nation. ESPN called Oklahoma City "the center of the softball universe", specifically referring to the fast-pitch version, in a 2020 story. Oklahoma City is home to the governing body of the sport in the United States,
USA Softball USA Softball (formerly the Amateur Softball Association (ASA) and ASA/USA Softball) is the governing body for the United States national softball team. It is a member of the sport's international governing body, the World Baseball Softball Confe ...
, which has its headquarters in a complex that also includes the USA Softball Hall of Fame Stadium. It annually hosts the Women's College World Series, the eight-team final round of the NCAA Division I softball tournament. Wrestling is a sport with a strong tradition in Oklahoma. Oklahoma State has the most NCAA national championships of any collegiate team with 34, with the Oklahoma Sooners having 7 NCAA wrestling titles. The National Wrestling Hall of Fame and Museum is headquartered in Stillwater, Oklahoma.


Current professional teams


Health

Oklahoma was the 21st-largest recipient of medical funding from the federal government in 2005, with health-related federal expenditures in the state totaling $75,801,364; immunizations, bioterrorism preparedness, and health education were the top three most funded medical items. Instances of major diseases are near the national average in Oklahoma, and the state ranks at or slightly above the rest of the country in percentage of people with asthma, diabetes, cancer, and
hypertension Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms. Long-term high bl ...
. In 2000, Oklahoma ranked 45th in physicians per capita and slightly below the national average in nurses per capita, but was slightly above the national average in hospital beds per 100,000 people and above the national average in net growth of health services over a twelve-year period. One of the worst states for percentage of insured people, nearly 25 percent of Oklahomans between the age of 18 and 64 did not have health insurance in 2005, the fifth-highest rate in the nation. Oklahomans are in the upper half of Americans in terms of obesity prevalence, and the state is the 5th most obese in the nation, with 30.3 percent of its population at or near obesity. Oklahoma ranked last among the 50 states in a 2007 study by the Commonwealth Fund on health care performance. The OU Medical Center, Oklahoma's largest collection of hospitals, is the only hospital in the state designated a LevelI trauma center by the
American College of Surgeons The American College of Surgeons is an educational association of surgeons created in 1913.American College of Surgeons Online "What is the American College of Surgeons?"/ref> See also *American College of Physicians The American College o ...
. OU Medical Center is on the grounds of the Oklahoma Health Center in Oklahoma City, the state's largest concentration of medical research facilities. The Cancer Treatment Centers of America at Southwestern Regional Medical Center in Tulsa is one of four such regional facilities nationwide, offering cancer treatment to the entire southwestern United States, and is one of the largest cancer treatment hospitals in the country. The largest osteopathic teaching facility in the nation, Oklahoma State University Medical Center at Tulsa, also rates as one of the largest facilities in the field of neuroscience. On June 26, 2018, Oklahoma made marijuana legal for medical purposes, making it one of the most conservative states to approve medical marijuana.


Life expectancy

The residents of Oklahoma have a lower life expectancy than the U.S. national average. In 2014, males in Oklahoma lived an average of 73.7 years compared to a male national average of 76.7 years and females lived an average of 78.5 years compared to a female national average of 81.5 years. Moreover, increases in life expectancy have been below the national average. Male life expectancy in Oklahoma between 1980 and 2014, increased by an average of 4.0 years, compared to a male national average of a 6.7 year increase. Life expectancy for females in Oklahoma between 1980 and 2014, increased by 1.0 years, compared to a female national average of a 4.0 year increase. Using 2016–2018 data, the Robert Wood Johnson Foundation calculated that life expectancy (all sexes) for Oklahoma counties ranged from 71.2 years for Okfuskee County to 79.7 years for Cimarron and
Logan Logan may refer to: Places * Mount Logan (disambiguation) Australia * Logan (Queensland electoral district), an electoral district in the Queensland Legislative Assembly * Logan, Victoria, small locality near St. Arnaud * Logan City, local gover ...
counties. Life expectancy for the state as a whole was 76.0 years.


Impact of Covid

As of December 22, 2022, Oklahoma has been impacted more by Covid than the average U.S. State. Statistics for the U.S. as a whole are 331 deaths per 100,000 population with 68 percent of the population fully vaccinated. The comparable statistics for Oklahoma are 405 deaths per 100,000 population with 59 percent of the population fully vaccinated. 16,041 deaths from Covid have been recorded in Oklahoma. A wide variation in deaths from Covid exists between Oklahoma counties. Greer County recorded a death rate of .00753 (753 deaths per 100,000 residents). Payne County recorded a death rate of only .00231 (231 deaths per 100,000 residents.


Media

Oklahoma City and Tulsa are the 45th- and 61st-largest media markets in the United States as ranked by Nielsen Media Research. The state's third-largest media market, Lawton- Wichita Falls, Texas, is ranked 149th nationally by the agency.
Broadcast television Broadcast television systems (or terrestrial television systems outside the US and Canada) are the encoding or formatting systems for the transmission and reception of terrestrial television signals. Analog television systems were standardized b ...
in Oklahoma began in 1949 when KFOR-TV (then WKY-TV) in Oklahoma City and KOTV-TV in Tulsa began broadcasting a few months apart. Currently, all major American
broadcast networks A terrestrial network (or broadcast network in the United States) is a group of radio stations, television stations, or other electronic media outlets, that form an agreement to air, or broadcast, content from a centralized source. For example, ...
have affiliated television stations in the state. The state has two primary newspapers. '' The Oklahoman'', based in Oklahoma City, is the largest newspaper in the state and 54th-largest in the nation by circulation, with a weekday readership of 138,493 and a Sunday readership of 202,690. The '' Tulsa World'', the second-most widely circulated newspaper in Oklahoma and 79th in the nation, holds a Sunday circulation of 132,969 and a weekday readership of 93,558. Oklahoma's first newspaper was established in 1844, called the ''Cherokee Advocate'', and was written in both Cherokee and English. In 2006, there were more than 220 newspapers in the state, including 177 with weekly publications and 48 with daily publications. The state's first radio station, WKY in Oklahoma City, began broadcasting in 1920. In 2006, there were more than 500 radio stations in Oklahoma broadcasting with various local or nationally owned networks. Five universities in Oklahoma operate non-commercial, public radio stations/networks. Oklahoma has a few ethnic-oriented TV stations broadcasting in Spanish and Asian languages, and there is some Native American programming. TBN, a Christian religious television network, has a studio in Tulsa, and built its first entirely TBN-owned affiliate in Oklahoma City in 1980.


Transportation

Transportation in Oklahoma is generated by an anchor system of
Interstate Highways The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
, inter-city rail lines, airports, inland ports, and
mass transit Public transport (also known as public transportation, public transit, mass transit, or simply transit) is a system of transport for passengers by group travel systems available for use by the general public unlike private transport, typical ...
networks. Situated along an integral point in the United States Interstate network, Oklahoma contains three primary Interstate highways and four auxiliary Interstate Highways. In Oklahoma City, Interstate 35 intersects with Interstate 44 and Interstate 40, forming one of the most important intersections along the United States highway system. More than of roads make up the state's major highway skeleton, including state-operated highways, ten turnpikes or major toll roads, and the longest drivable stretch of
Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...
in the nation. In 2008, Interstate 44 in Oklahoma City was Oklahoma's busiest highway, with a daily traffic volume of 123,300 cars. In 2010, the state had the nation's third-highest number of bridges classified as structurally deficient, with nearly 5,212 bridges in disrepair, including 235 National Highway System Bridges. Oklahoma's largest commercial airport is Will Rogers World Airport in Oklahoma City, averaging a yearly passenger count of more than 3.5 million (1.7 million boardings) in 2010. Tulsa International Airport, the state's second-largest commercial airport, served more than 1.3 million boardings in 2010. Between the two, six airlines operate in Oklahoma. In terms of traffic, R. L. Jones Jr. (Riverside) Airport in Tulsa is the state's busiest airport, with 335,826 takeoffs and landings in 2008. Oklahoma has more than 150 public-use airports. Oklahoma is connected to the nation's rail network via Amtrak's '' Heartland Flyer'', its only regional passenger rail line. It currently stretches from Oklahoma City to Fort Worth, Texas, though lawmakers began seeking funding in early 2007 to connect the ''Heartland Flyer'' to Tulsa. Two inland ports on rivers serve Oklahoma: the
Port of Muskogee The Port of Muskogee, rebranded as Port Muskogee in January of 2023, is a regional inland port located on the McClellan-Kerr Arkansas River Navigation System in Muskogee County, Oklahoma, in the United States. It is a multi-modal local hub for t ...
and the Tulsa Port of Catoosa. The Tulsa Port of Catoosa is the one of the United States' most inland international ports, at head of navigation of the McClellan–Kerr Arkansas River Navigation System, which connects barge traffic from Tulsa and Muskogee to the Mississippi River. The port ships over two million tons of goods annually and is a designated
foreign trade zone A free-trade zone (FTZ) is a class of special economic zone. It is a geographic area where goods may be imported, stored, handled, manufactured, or reconfigured and re-exported under specific customs regulation and generally not subject to cust ...
.


Law and government

Oklahoma is a constitutional republic with a government modeled after the federal government of the United States, with executive, legislative, and judicial branches. The state has 77 counties with jurisdiction over most local government functions within each respective domain, five congressional districts, and a voting base with a plurality in the
Republican Party Republican Party is a name used by many political parties around the world, though the term most commonly refers to the United States' Republican Party. Republican Party may also refer to: Africa *Republican Party (Liberia) * Republican Part ...
. State officials are elected by plurality voting in the state of Oklahoma. Oklahoma has capital punishment as a legal sentence, and the state has had (between 1976 through mid-2011) the highest per capita execution rate in the nation. In a 2020 study, Oklahoma was ranked as the 14th hardest state for citizens to vote in.


State government

The
Legislature of Oklahoma The Legislature of the State of Oklahoma is the state legislative branch of the U.S. state of Oklahoma. The Oklahoma House of Representatives and Oklahoma Senate are the two houses that make up the bicameral state legislature. There are 101 st ...
consists of the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
and the House of Representatives. As the lawmaking branch of the state government, it is responsible for raising and distributing the money necessary to run the government. The Senate has 48 members serving four-year terms, while the House has 101 members with two-year terms. The state has a term limit for its legislature that restricts any one person to twelve cumulative years service between both legislative branches. Oklahoma's judicial branch consists of the
Oklahoma Supreme Court The Supreme Court of Oklahoma is a court of appeal for non-criminal cases, one of the two highest judicial bodies in the U.S. state of Oklahoma, and leads the judiciary of Oklahoma, the judicial branch of the government of Oklahoma.
, the Oklahoma Court of Criminal Appeals, and 77 District Courts that each serve one county. The Oklahoma judiciary also contains two independent courts: a Court of
Impeachment Impeachment is the process by which a legislative body or other legally constituted tribunal initiates charges against a public official for misconduct. It may be understood as a unique process involving both political and legal elements. In ...
and the Oklahoma Court on the Judiciary. Oklahoma has two courts of last resort: the state Supreme Court hears civil cases, and the state Court of Criminal Appeals hears criminal cases (this split system exists only in Oklahoma and neighboring Texas). Judges of those two courts, as well as the Court of Civil Appeals are appointed by the Governor upon the recommendation of the state Judicial Nominating Commission, and are subject to a non-partisan retention vote on a six-year rotating schedule. The executive branch consists of the Governor, their staff, and other elected officials. The principal head of government, the Governor is the chief executive of the Oklahoma executive branch, serving as the
ex officio An ''ex officio'' member is a member of a body (notably a board, committee, council) who is part of it by virtue of holding another office. The term '' ex officio'' is Latin, meaning literally 'from the office', and the sense intended is 'by right ...
Commander-in-chief of the Oklahoma National Guard when not called into Federal use and reserving the power to veto bills passed through the Legislature. The responsibilities of the Executive branch include submitting the budget, ensuring state laws are enforced, and ensuring peace within the state is preserved.


Local government

The state is divided into 77 counties that govern locally, each headed by a three-member council of elected commissioners, a tax assessor, clerk,
court clerk A court clerk (British English: clerk to the court or clerk of the court ; American English: clerk of the court or clerk of court ) is an officer of the court whose responsibilities include maintaining records of a court, administer oaths to witn ...
, treasurer, and
sheriff A sheriff is a government official, with varying duties, existing in some countries with historical ties to England where the office originated. There is an analogous, although independently developed, office in Iceland that is commonly transla ...
. While each municipality operates as a separate and independent local government with executive, legislative and judicial power, county governments maintain jurisdiction over both incorporated cities and non-incorporated areas within their boundaries, and have executive power but no legislative or judicial power. Both county and municipal governments collect taxes, employ a separate police force, hold elections, and operate emergency response services within their jurisdiction. Other local government units include school districts, technology center districts, community college districts, rural fire departments, rural water districts, and other special use districts. Thirty-nine Native American tribal governments are based in Oklahoma, each holding limited powers within designated areas. While
Indian reservation An Indian reservation is an area of land held and governed by a federally recognized Native American tribal nation whose government is accountable to the United States Bureau of Indian Affairs and not to the state government in which it ...
s are typical in most of the United States, they are not present in Oklahoma, tribal governments hold land granted during the Indian Territory era, but with limited jurisdiction and no control over state governing bodies such as municipalities and counties. Tribal governments are recognized by the United States as quasi-sovereign entities with executive, judicial, and legislative powers over tribal members and functions, but are subject to the authority of the United States Congress to revoke or withhold certain powers. The tribal governments are required to submit a constitution and any subsequent amendments to the United States Congress for approval. Oklahoma has 11 substate districts including the two large Councils of Governments, INCOG in Tulsa (Indian Nations Council of Governments) and ACOG (Association of Central Oklahoma Governments).


National politics

During the first half-century of statehood, Oklahoma was considered a
Democratic Democrat, Democrats, or Democratic may refer to: Politics *A proponent of democracy, or democratic government; a form of government involving rule by the people. *A member of a Democratic Party: **Democratic Party (United States) (D) **Democratic ...
stronghold, being carried by the
Republican Party Republican Party is a name used by many political parties around the world, though the term most commonly refers to the United States' Republican Party. Republican Party may also refer to: Africa *Republican Party (Liberia) * Republican Part ...
in only two presidential elections (
1920 Events January * January 1 ** Polish–Soviet War in 1920: The Russian Red Army increases its troops along the Polish border from 4 divisions to 20. ** Kauniainen, completely surrounded by the city of Espoo, secedes from Espoo as its own ma ...
and
1928 Events January * January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly proving the existence of DNA. * January 1 – Eastern Bloc emigration and defection: Boris Bazhanov, J ...
). After the 1948 election, the state turned firmly Republican. Although registered Republicans were a minority in the state until 2015, Oklahoma has been carried by Republican presidential candidates in all but one election since 1952: Lyndon B. Johnson's 1964 landslide victory. Every single county in the state has been won by the Republican candidate in each election since
2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight 6 ...
. Oklahoma City was the largest city in the United States carried by Republican Donald Trump in both the 2016 and 2020 elections. Generally, Republicans are strongest in the suburbs of Oklahoma City and Tulsa, as well as the Panhandle. Democrats are strongest in the eastern part of the state and Little Dixie, as well as the most heavily African American and inner parts of Oklahoma City and Tulsa. With a population of 8.6% Native American in the state, it is also worth noting that most Native American precincts vote Democratic in margins exceeded only by
African Americans African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...
. Following the 2000 census, the Oklahoma delegation to the U.S. House of Representatives was reduced from six to five representatives, each serving one congressional district. In the current Congress, Republicans comprise Oklahoma's entire delegation.


Military


Cities and towns


Major cities

Oklahoma had 598 incorporated places in 2010, including four cities over 100,000 in population and 43 over 10,000. Two of the fifty largest cities in the United States are in Oklahoma, Oklahoma City and Tulsa, and sixty-five percent of Oklahomans live within their metropolitan areas, or spheres of economic and social influence defined by the United States Census Bureau as a metropolitan statistical area. Oklahoma City, the state's capital and largest city, had the largest metropolitan area in the state in 2020, with 1,425,695 people, and the metropolitan area of Tulsa had 1,015,331 residents. Between 2000 and 2010, the leading cities in population growth were
Blanchard Blanchard is a French family name. It is also used as a given name. It derives from the Old French word ''blanchart'' which meant "whitish, bordering upon white". It is also an obsolete term for a white horse. Geographical distribution As of 2014, ...
(172.4%),
Elgin Elgin may refer to: Places Canada * Elgin County, Ontario * Elgin Settlement, a 19th-century community for freed slaves located in present-day North Buxton and South Buxton, Chatham-Kent, Ontario * Elgin, a village in Rideau Lakes, Ontario ...
(78.2%), Jenks (77.0%), Piedmont (56.7%), Bixby (56.6%), and Owasso (56.3%). In descending order of population, Oklahoma's largest cities in 2010 were: Oklahoma City (579,999, +14.6%), Tulsa (391,906, −0.3%), Norman (110,925, +15.9%), Broken Arrow (98,850, +32.0%), Lawton (96,867, +4.4%),
Edmond Edmond is a given name related to Edmund. Persons named Edmond include: * Edmond Canaple (1797–1876), French politician * Edmond Chehade (born 1993), Lebanese footballer * Edmond Conn (1914–1998), American farmer, businessman, and politician ...
(81,405, +19.2%),
Moore Moore may refer to: People * Moore (surname) ** List of people with surname Moore * Moore Crosthwaite (1907–1989), a British diplomat and ambassador * Moore Disney (1765–1846), a senior officer in the British Army * Moore Powell (died c. 1573 ...
(55,081, +33.9%),
Midwest City Midwest City is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. As of the 2010 census, the population was 54,371, making it the eighth largest city in the state. The city was developed in ...
(54,371, +0.5%), Enid (49,379, +5.0%), and Stillwater (45,688, +17.0%). Of the state's ten largest cities, three are outside the metropolitan areas of Oklahoma City and Tulsa, and only Lawton has a metropolitan statistical area of its own as designated by the United States Census Bureau, though the metropolitan statistical area of Fort Smith, Arkansas extends into the state. Under Oklahoma law, municipalities are divided into two categories: cities, defined as having more than 1,000 residents, and towns, with under 1,000 residents. Both have legislative, judicial, and public power within their boundaries, but cities can choose between a mayor–council, council–manager, or
strong mayor Strong may refer to: Education * The Strong, an educational institution in Rochester, New York, United States * Strong Hall (Lawrence, Kansas), an administrative hall of the University of Kansas * Strong School, New Haven, Connecticut, United S ...
form of government, while towns operate through an elected officer system.


State symbols

State law codifies Oklahoma's state emblems and honorary positions; the Oklahoma Senate or House of Representatives may adopt resolutions designating others for special events and to benefit organizations. In 2012 the House passed HCR 1024, which would change the state motto from "Labor Omnia Vincit" to "Oklahoma—In God We Trust!" The author of the resolution stated a constituent researched the Oklahoma Constitution and found no "official" vote regarding "Labor Omnia Vincit", therefore opening the door for an entirely new motto.


See also

* Index of Oklahoma-related articles *
Outline of Oklahoma The following outline is provided as an overview of and topical guide to the U.S. state of Oklahoma: Oklahoma – state located in the South Central United States. Oklahoma is the 20th most extensive and the 28th most populous of the 50 U ...


Notes


References


Further reading

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complete text online
900 pages of scholarly articles


External links


Government

*
Oklahoma Legislative Branch

Oklahoma Department of Commerce

Oklahoma Department of Human Services

Oklahoma Department of Transportation


Tourism and recreation


Official Oklahoma Tourism Info

Oklahoma State Parks

Red Earth

Woody Guthrie Folk Festival


Culture and history


Oklahoma State Guide from the Library of Congress

Oklahoma Arts Council

Oklahoma Theatre Association

Oklahoma Oral History Research Program

Encyclopedia of Oklahoma History and Culture

Voices of Oklahoma Oral History Project


Maps and demographics






Oklahoma Genealogical Society

Realtime USGS geographic, weather, and geologic information
*
Oklahoma Digital Maps: Digital Collections of Oklahoma and Indian Territory
{{DEFAULTSORT:Oklahoma 1907 establishments in the United States Cherokee-speaking countries and territories Southern United States States and territories established in 1907 States of the United States Contiguous United States List of place names of Choctaw origin in the United States