Sweetwater County is a

county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

in southwestern

Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the s ...

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

. As of 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 ...

, the population was 42,272, making it the fourth-most populous county in Wyoming. Its

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US st ...

Green River Green River may refer to: Rivers Canada * Green River (British Columbia), a tributary of the Lillooet River *Green River, a tributary of the Saint John River, also known by its French name of Rivière Verte *Green River (Ontario), a tributary of ...

. By area, it is the largest county in Wyoming. Its southern boundary line abuts the north lines of the states of

Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...

and

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

. Sweetwater County comprises the Rock Springs, Green River, Wyoming Micropolitan Statistical Area.

History

Sweetwater County was created on December 17, 1867, as a county within the

Dakota Territory The Territory of Dakota was an organized incorporated territory of the United States that existed from March 2, 1861, until November 2, 1889, when the final extent of the reduced territory was split and admitted to the Union as the states of N ...

. The county was formed of territory partitioned from

Laramie County Laramie County is a county located at the southeast corner of the state of Wyoming. As of the 2020 United States Census, the population was 100,512 or 17.4% of the state's total 2020 population, making it the most populous county in Wyoming, b ...

. The county was originally named Carter County for Judge W.A. Carter of

Fort Bridger Fort Bridger was originally a 19th-century fur trading outpost established in 1842, on Blacks Fork of the Green River, in what is now Uinta County, Wyoming, United States. It became a vital resupply point for wagon trains on the Oregon Trail, C ...

In 1869, the newly established legislature of the

Wyoming Territory The Territory of Wyoming was an organized incorporated territory of the United States that existed from July 25, 1868, until July 10, 1890, when it was admitted to the Union as the State of Wyoming. Cheyenne was the territorial capital. The bou ...

renamed the county for the Sweetwater River. Also in 1869, Uinta County was organized with land ceded by Sweetwater County. Johnson County, originally named Pease County, was formed from parts of Sweetwater and

Carbon Carbon () is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—its atom making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon mak ...

counties in 1875. In 1884, Sweetwater County lost territory when Fremont County was created. Sweetwater County also lost territory when its boundary with Carbon County was adjusted in 1886. County boundaries were also adjusted in 1909, 1911, and 1951. South Pass City was the county seat from 1867 until 1873, when the county seat was moved to

Geography

According to the

U.S. Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...

, the county has a total area of , of which is land and (0.6%) is water. The largest county in Wyoming, Sweetwater County is larger than six states and is the eighth-largest county in the United States (not including boroughs and census areas in Alaska). Most of the

Great Divide Basin The Great Divide Basin or Great Divide Closed Basin is an area of land in the Red Desert (Wyoming), Red Desert of Wyoming where none of the water falling as rain to the ground drains into any ocean, directly or indirectly. It is thus an endorheic ...

lies within the county, comprising the county's northeast quadrant.

Adjacent counties

* Fremont County (north) * Carbon County (east) *

Moffat County, Colorado Moffat County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 13,292. The county seat is Craig. With an area of 4,751 square miles, it is the 2nd largest county by area in Colorado, behind Las An ...

(south) *

Daggett County, Utah Daggett County ( ) is a county in the northeastern corner of the U.S. state of Utah. As of the 2020 United States Census, the population was 935, making it the least populous county in Utah. Its county seat is Manila. The county was named for El ...

(southwest) *

Summit County, Utah Summit County is a county in the U.S. state of Utah, occupying a rugged and mountainous area. As of the 2010 United States Census, the population was 36,324. Its county seat is Coalville, and the largest city is Park City. History The coun ...

(west-southwest) * Uinta County (southwest) * Lincoln County (west) * Sublette County (northwest)

Major Highways

Interstate 80 * * * US 30

U.S. Highway 30 * US 191

U.S. Highway 191 U.S. Route 191 (US 191) is a spur of U.S. Route 91 that has two branches. The southern branch runs for from Douglas, Arizona on the Mexican border to the southern part of Yellowstone National Park. The northern branch runs for from the north ...

* Wyoming Highway 28 * Wyoming Highway 370 * Wyoming Highway 371 * Wyoming Highway 372 *

Wyoming Highway 414 Wyoming Highway 414 (WYO 414) is a state highway in eastern Uinta and extreme southwestern Sweetwater counties in the U.S. state of Wyoming. Although primarily a north–south highway, WYO 414 travels in a more east–west orient ...

Wyoming Highway 430 Wyoming Highway 430 (WYO 430) is a State highway#United States, state highway in south-central Sweetwater County, Wyoming, Sweetwater County, Wyoming, United States, that connects the Wyoming-Colorado State Line with Rock Springs, Wyoming, Roc ...

* Wyoming Highway 530 *

Wyoming Highway 789 Wyoming Highway 789 (WYO 789) is a state highway in the U.S. state of Wyoming. WYO 789 travels south-to-north from the Colorado state line to the Montana state line. For most of its length, it is concurrent with other routes. It ...

National protected areas

Ashley National Forest Ashley National Forest is a National Forest located in northeastern Utah and southwestern Wyoming. Within the Forest's bounds are (with in Utah and in Wyoming) of vast forests, lakes, and mountains, with elevations ranging from . The fores ...

(part) *

Flaming Gorge National Recreation Area Flaming Gorge National Recreation Area is a United States national recreation area in Wyoming and Utah. Its centerpiece is the long Flaming Gorge Reservoir. History The area was given the name "Flaming Gorge" by John Wesley Powell during his ...

(part) *

Seedskadee National Wildlife Refuge Seedskadee National Wildlife Refuge is a National Wildlife Refuge of the United States located in western Sweetwater County in the state of Wyoming. It covers 26,400 acres (106 km2) managed by the U.S. Fish and Wildlife Service, an age ...

Demographics

2000 census

As of the

2000 United States Census The United States census of 2000, conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2 percent over the 248,709,873 people enumerated during the 1990 cen ...

, of 2000, there were 37,613 people, 14,105 households, and 10,099 families in the county. The

population density Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...

was 4 people per square mile (1/km²). There were 15,921 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 91.62%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...

, 0.73%

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ...

African American 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 ...

, 1.01% Native American, 0.64%

Asian Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...

, 0.04%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of O ...

, 3.59% from

other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...

, and 2.37% from two or more races. 9.42% of the population were

Hispanic The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties forme ...

Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

of any race. 16.4% are of

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

, 16.2%

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

, 9%

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

and 5%

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

ancestry. There were 14,105 households, out of which 38.20% had children under the age of 18 living with them, 57.80% were married couples living together, 9.20% had a female householder with no husband present, and 28.40% were non-families. 23.60% of all households were made up of individuals, and 6.90% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.11. The county population contained 28.90% under the age of 18, 10.10% from 18 to 24, 29.30% from 25 to 44, 23.70% from 45 to 64, and 8.00% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 102.40 males. For every 100 females age 18 and over, there were 101.10 males. The median income for a household in the county was $46,537, and the median income for a family was $54,173. Males had a median income of $45,678 versus $22,440 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the county was $19,575. About 5.40% of families and 7.80% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

, including 9.20% of those under age 18 and 7.00% of those age 65 or over.

2010 census

As of the

2010 United States Census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servi ...

, there were 43,806 people, 16,475 ;households, and 11,405 families in the county. The population density was . There were 18,735 housing units at an average density of . The racial makeup of the county was 88.5% white, 1.0% American Indian, 1.0% black or African American, 0.8% Asian, 0.1% Pacific islander, 6.4% from other races, and 2.3% from two or more races. Those of Hispanic or Latino origin made up 15.3% of the population. In terms of ancestry, 22.4% were

, 19.0% were

, 13.0% were

, 7.4% were

, and 4.4% were American. Of the 16,475 households, 36.7% had children under the age of 18 living with them, 53.5% were married couples living together, 9.0% had a female householder with no husband present, 30.8% were non-families, and 24.0% of all households were made up of individuals. The average household size was 2.62 and the average family size was 3.09. The median age was 32.8 years. The median income for a household in the county was $69,828 and the median income for a family was $79,527. Males had a median income of $65,174 versus $31,738 for females. The per capita income for the county was $30,961. About 6.1% of families and 8.2% of the population were below the

, including 12.0% of those under age 18 and 5.0% of those age 65 or over.

Politics and government

Sweetwater County was a Democratic stronghold in Wyoming until recent years, voting Democratic in eleven consecutive presidential elections between 1928 and 1968, after supporting Progressive Robert La Follette senior in 1924. In 1928, 1952, 1956 and 1976 it was the only Wyoming county to support the Democratic presidential nominee. Nonetheless, no Democratic presidential candidate has won Sweetwater County since

Bill Clinton William Jefferson Clinton ( né Blythe III; born August 19, 1946) is an American politician who served as the 42nd president of the United States from 1993 to 2001. He previously served as governor of Arkansas from 1979 to 1981 and agai ...

in 1996. In 2016,

Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, diplomat, and former lawyer who served as the 67th United States Secretary of State for President Barack Obama from 2009 to 2013, as a United States sen ...

won just 18.9 percent of the vote in the county. At the state level, Sweetwater County is represented by one Democrat, four Republicans and one Libertarian in the

Wyoming House of Representatives The Wyoming House of Representatives is the lower house of the Wyoming State Legislature. There are 60 Representatives in the House, representing an equal number of single-member constituent districts across the state, each with a population of ...

, and three Republicans in the

Wyoming Senate The Wyoming Senate is the upper house of the Wyoming State Legislature. There are 30 Senators in the Senate, representing an equal number of constituencies across Wyoming, each with a population of at least 17,000. The Senate meets at the Wyom ...

. County commissioners

Communities

Cities

(county seat) * Rock Springs

Towns

* Bairoil *

Granger Granger may refer to: People *Granger (name) *Hermione Granger, a fictional character in Harry Potter United States * Granger, Indiana * Granger, Iowa * Granger, Minnesota * Granger, Missouri * Granger, New York * Granger, Ohio * Granger, Te ...

* Superior * Wamsutter

Census-designated places

Arrowhead Springs Arrowhead Springs is a highly mountainous neighborhood in the municipality of San Bernardino, California, officially annexed to the city on November 19, 2009. The neighborhood lies below the Arrowhead geological monument, which is California Hist ...

* Clearview Acres * Eden * Farson * James Town * Little America * McKinnon * North Rock Springs * Point of Rocks *

Purple Sage Purple sage has various uses, mostly referring to plants or to Zane Grey's novel '' Riders of the Purple Sage'', set in Utah. There is disagreement about what plant Grey had in mind. Plants *Certain true sages, members of the genus ''Salvia'' in t ...

* Reliance *

Table Rock Table Rock may refer to: Canada * Table Rock, Niagara Falls, a former rock formation ** Table Rock Welcome Centre, a retail center near the site of Table Rock, Niagara Falls United States * Table Rock (Ada County, Idaho), a hill near Boise, Idah ...

* Washam

Other unincorporated communities

* Blairtown * Creston * Quealy * Red Desert * Riner''Riner WY'' Google Maps (accessed January 13, 2019)
/ref> * Sweeney Ranch

Ghost towns

* Bryan *

Linwood Linwood may refer to: Places Many of the place names for Linwood come from the presence of linden trees. Australia *Linwood, South Australia * Linnwood, Guildford, 11-35 Byron Road, Guildford, New South Wales Canada * Linwood, Ontario * Linwood, ...

(mostly within the

State of Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its we ...

) *

* Winton

Media

Print

Sweetwater County is served by two print publications: '' Rock Springs Daily Rocket-Miner'' and ''The Green River Star'' (a weekly newspaper published in

Hyperlocal websites

Sweetwater County is served by a

hyperlocal Hyperlocal is information oriented around a well-defined community with its primary focus directed toward the concerns of the population in that community. The term can be used as a noun in isolation or as a modifier of some other term (e.g. new ...

news websites, SweetwaterNOW.com and wyo4news.com.

References

External links

* {{authority control 1867 establishments in Dakota Territory Populated places established in 1867