Jefferson County is a
county
A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
located in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Colorado
Colorado (, other variants) is a state in the 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 western edge of t ...
. As of the
2020 census, the population was 582,910,
making it the fourth-most populous county in Colorado. The
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 ...
is
Golden
Golden means made of, or relating to gold.
Golden may also refer to:
Places United Kingdom
*Golden, in the parish of Probus, Cornwall
* Golden Cap, Dorset
*Golden Square, Soho, London
*Golden Valley, a valley on the River Frome in Gloucestershi ...
,
and the most populous city is
Lakewood.
Jefferson County is included in the
Denver
Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
-
Aurora
An aurora (plural: auroras or aurorae), also commonly known as the polar lights, is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of bri ...
-Lakewood, CO
Metropolitan Statistical Area
In the United States, a metropolitan statistical area (MSA) is a geographical region with a relatively high population density at its core and close economic ties throughout the area. Such regions are neither legally Incorporated town, incorporate ...
. Located along the
Front Range
The Front Range is a mountain range of the Southern Rocky Mountains of North America located in the central portion of the U.S. State of Colorado, and southeastern portion of the U.S. State of Wyoming. It is the first mountain range encountere ...
of the
Rocky Mountains
The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
, Jefferson County is adjacent to the state capital of Denver.
In 2010, the center of population of Colorado was located in Jefferson County.
The county's slogan is the "Gateway to the Rocky Mountains", and it is commonly nicknamed
Jeffco. The name Jeffco is incorporated in the name of the Jeffco School District, the Jeffco Business Center Metropolitan District No. 1, and several businesses located in Jefferson County. Jeffco is also incorporated in the unofficial monikers of many Jefferson County agencies. The
Rocky Mountain Metropolitan Airport
Rocky Mountain Metropolitan Airport is a public-use airport located in Broomfield, Colorado, United States. The airport is owned and operated by Jefferson County and is situated midway between Denver and Boulder on U.S. Highway 36. It is locat ...
operated by Jefferson County was previously known as the Jeffco Airport.
A major employer in Jefferson County is the large
Coors Brewing Company
The Coors Brewing Company started as an American brewery and beer company in Golden, Colorado. In 2005, Adolph Coors Company, the holding company that owned Coors Brewing, merged with Molson, Inc. to become Molson Coors.
The first Coors brew ...
in Golden. Also, the state-supported
Colorado School of Mines
The Colorado School of Mines, informally called Mines, is a public research university in Golden, Colorado, founded in 1874. The school offers both undergraduate and graduate degrees in engineering, science, and mathematics, with a focus on ener ...
, a university specializing in
mining
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic via ...
,
geology
Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...
,
chemistry
Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...
, and
engineering
Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad rang ...
is located in Jefferson County.
History
On August 25, 1855, the
Kansas Territorial Legislature
The Kansas Legislature is the state legislature of the U.S. state of Kansas. It is a bicameral assembly, composed of the lower Kansas House of Representatives, with 125 state representatives, and the upper Kansas Senate, with 40 state senators ...
created
Arapahoe County to govern the entire western portion of the
territory
A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal.
In international politics, a territory is usually either the total area from which a state may extract power resources or a ...
. The county was named for the
Arapaho Nation
The Arapaho (; french: Arapahos, ) are a Native American people historically living on the plains of Colorado and Wyoming. They were close allies of the Cheyenne tribe and loosely aligned with the Lakota and Dakota.
By the 1850s, Arapaho ban ...
of
Native Americans who lived in the region.
On June 22, 1858,
gold
Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile met ...
was discovered along the
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River. Flowing through the U.S. states of Colorado and Nebraska, it is itself a major river of the American Midwestern United States, Midwest and the American Sout ...
in
Arapahoe County (in present-day
Englewood). This discovery precipitated the
Pike's Peak Gold Rush
The Pike's Peak Gold Rush (later known as the Colorado Gold Rush) was the boom in gold prospecting and mining in the Pike's Peak Country of western Kansas Territory and southwestern Nebraska Territory of the United States that began in July 1858 a ...
. Many residents of the mining region felt disconnected from the remote territorial governments of
Kansas
Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to the ...
and
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
, so they voted to form their own
Territory of Jefferson
The Territory of Jefferson was an extralegal and unrecognized United States territory that existed from October 24, 1859 until the creation of the Colorado Territory on February 28, 1861. The Jefferson Territory, named for Founding Father and Un ...
on October 24, 1859. The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory, including
Jefferson County. Jefferson County was named for the namesake of the Jefferson Territory,
Thomas Jefferson
Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of the United States, Founding Father who served as the third president of the United States from 18 ...
, the principal author of the
Declaration of Independence
A declaration of independence or declaration of statehood or proclamation of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of the ...
and the nation's third
president
President most commonly refers to:
*President (corporate title)
*President (education), a leader of a college or university
*President (government title)
President may also refer to:
Automobiles
* Nissan President, a 1966–2010 Japanese ful ...
.
Golden City served as the
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 ...
of Jefferson County.
Robert Williamson Steele
Robert Williamson Steele (January 14, 1820 – February 7, 1901) was governor of the extralegal Territory of Jefferson, which existed in the western United States from 1859 to 1861, when it was replaced by the Territory of Colorado.
Early life ...
,
Governor
A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
of the
Provisional Government of the Territory of Jefferson from 1859 to 1861, built his home in the county at
Mount Vernon
Mount Vernon is an American landmark and former plantation of Founding Father, commander of the Continental Army in the Revolutionary War, and the first president of the United States George Washington and his wife, Martha. The estate is on ...
and later at
Apex
The apex is the highest point of something. The word may also refer to:
Arts and media Fictional entities
* Apex (comics), a teenaged super villainess in the Marvel Universe
* Ape-X, a super-intelligent ape in the Squadron Supreme universe
*Apex, ...
.
The Jefferson Territory never received federal sanction, but during his last week in office,
President
President most commonly refers to:
*President (corporate title)
*President (education), a leader of a college or university
*President (government title)
President may also refer to:
Automobiles
* Nissan President, a 1966–2010 Japanese ful ...
James Buchanan
James Buchanan Jr. ( ; April 23, 1791June 1, 1868) was an American lawyer, diplomat and politician who served as the 15th president of the United States from 1857 to 1861. He previously served as secretary of state from 1845 to 1849 and repr ...
signed an act which organized the
Territory of Colorado
The Territory of Colorado was an organized incorporated territory of the United States that existed from February 28, 1861, until August 1, 1876, when it was admitted to the Union as the State of Colorado.
The territory was organized in the ...
on February 28, 1861.
That November 1, the new
Colorado General Assembly
The Colorado General Assembly is the state legislature of the State of Colorado. It is a bicameral legislature that was created by the 1876 state constitution. Its statutes are codified in the ''Colorado Revised Statutes'' (C.R.S.). The ses ...
organized the 17 original counties of Colorado, including a new Jefferson County. In 1908, the southern tip of Jefferson County was transferred to
Park County, reducing Jefferson County to its present length of . Several annexations by the
City & County of Denver and the 2001 consolidation of the
City & County of Broomfield removed the east and extreme northeastern corner of the county, respectively.
Geography
![Long Scraggy Peak](https://upload.wikimedia.org/wikipedia/commons/8/87/Long_Scraggy_Peak.JPG)
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 (1.3%) is water.
Adjacent counties
Jefferson County is one of the few counties in the United States to border as many as ten counties.
*
Boulder County
Boulder County is a county located in the U.S. state of Colorado of the United States. As of the 2020 census, the population was 330,758. The most populous municipality in the county and the county seat is Boulder.
Boulder County comprises th ...
– north
*
City and County of Broomfield – northeast
*
Adams County – east
*
City and County of Denver – east
*
Arapahoe County – east
*
Douglas County – east
*
Teller County – south
*
Park County – southwest
*
Clear Creek County
Clear Creek County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 9,397. The county seat is Georgetown.
Clear Creek County is part of the Denver metropolitan area.
History
Clear Creek County wa ...
– west
*
Gilpin County
Gilpin County is a county located in the U.S. state of Colorado, smallest in land area behind only the City and County of Broomfield. As of the 2020 census, the population was 5,808. The county seat is Central City. The county was formed in 18 ...
– northwest
Major highways
*
Interstate 70
Interstate 70 (I-70) is a major east–west Interstate Highway System, Interstate Highway in the United States that runs from Interstate 15, I-15 near Cove Fort, Utah, to a park and ride lot just east of Interstate 695 (Maryland), I-695 in ...
*
*
U.S. Highway 6
U.S. Route 6 (US 6), also called the Grand Army of the Republic Highway, honoring the American Civil War Grand Army of the Republic, veterans association, is a main route of the U.S. Highway system. While it currently runs east-northeast fr ...
*
U.S. Highway 40
*
U.S. Highway 285
*
State Highway 8
*
State Highway 58
*
State Highway 72
*
State Highway 74
*
State Highway 75
*
State Highway 93
*
State Highway 121
*
State Highway 391
*
State Highway 470
*
Chatfield Ave
*
44th Ave
Recreational areas
*Alderfer/Three Sisters Park
*Apex Park
*Bear Creek Lake Park
*Centennial Cone Park
*Clear Creek Canyon Park
*Coal Creek Canyon
*
Crown Hill Park
*Deer Creek Canyon Park
*
Elk Meadow Park
Elk Meadow Park is a park and trail system in Evergreen, Colorado managed by Jefferson County Open Space. This program began acquiring these ranchlands in 1977 to create the extensive protected area, which is made larger by adjacent public lands. ...
*Evergreen Lake
*Fairmount Trail
*Flying J Ranch Park
*Hildebrand Ranch Park
*
Hiwan Homestead Museum The Hiwan Homestead Museum is a historic house museum in Evergreen, Colorado.
It is located at 4208 S. Timbervale Drive in Evergreen.
History
The property was purchased in the late 1880s by Mary Neosho Bailey Williams, widow of General Thomas ...
*Lair o' the Bear Park
*Lewis Meadows Park
*Lookout Mountain Nature Center
*Matthews/Winters Park
*Meyer Ranch Park
*Mount Falcon Park
*Mount Galbraith Park
*Mount Glennon
*
Mount Lindo
*North Table Mountain Park
*Pine Valley Ranch Park
*Ranson/Edwards Homestead Ranch
*Reynolds Park
*Sister City Park
*South Table Mountain Park
*
South Valley Park
*Standley Lake Regional Park
*Van Bibber Park
*Welchester Tree Grant Park
*White Ranch Park
*Windy Saddle Park
*Urban Trails
Demographics
As of the
census
A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses incl ...
of 2000, there were 527,056 people, 206,067 households, and 140,537 families residing in the county. The
population density
Population density (in agriculture: 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 term.Matt RosenberPopul ...
was 683 people per square mile (264 people/km). There were 212,488 housing units at an average density of 275 people per square mile (106 people/km). The racial makeup of the county was
:
There were 206,067 households, out of which 33.40% had children under age 18 living with them, 55.10% were
married couples
Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between t ...
living together, 9.10% had a female householder with no husband present, and 31.80% were non-families. 24.50% of all households were made up of individuals, of those 6.30% were someone living alone who was 65 years of age or older. The average household size was 2.52, and the average family size was 3.03 persons.
In the county, the population ages were spread out:
:
For every 100 females there were 99.00 males. For every 100 females age 18 and over, there were 96.80 males.
The median income for a household in the county was $57,339, and the median income for a family was $67,310. Males had a median income of $45,306 versus $32,372 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 $28,066. About 3.40% of families and 5.20% 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 5.80% of those under age 18, and 5.10% of those age 65 or over.
According to a report in the
JAMA
''The Journal of the American Medical Association'' (''JAMA'') is a peer-reviewed medical journal published 48 times a year by the American Medical Association. It publishes original research, reviews, and editorials covering all aspects of biom ...
, residents of Jefferson County had a 2014 life expectancy of 80.02 years.
Education
The sole school district serving the county is
Jefferson County School District R-1
Jefferson County School District R-1 (a.k.a. Jefferson County Public Schools or Jeffco Public Schools) is a school district in Jefferson County, Colorado. The district is headquartered at the Jeffco Public Schools Education Center in West Pleasant ...
.
;Private schools:
*
Colorado Academy
Colorado Academy is an independent nonsectarian, co-educational, college preparatory day school for students from Pre-Kindergarten through Twelfth Grade. The school's campus is located in Lakewood, Colorado, and serves approximately 1000 studen ...
;Tertiary institutions:
*
Colorado Christian University
Colorado Christian University (CCU) is a private Christian university in Lakewood, Colorado. CCU was founded by Clifton Fowler in 1914 as the Denver Bible Institute.
History
CCU's heritage dates back to the formation of Denver Bible Institute in ...
*
Colorado School of Trades
Jefferson County Public Library is the county library system.
Government and infrastructure
*The
Federal Correctional Institution, Englewood
The Federal Correctional Institution, Englewood (FCI Englewood) is a low-security United States federal prison for male inmates in Colorado. It is operated by the Federal Bureau of Prisons (BOP), a division of the United States Department of Just ...
is in
unincorporated Unincorporated may refer to:
* Unincorporated area, land not governed by a local municipality
* Unincorporated entity, a type of organization
* Unincorporated territories of the United States, territories under U.S. jurisdiction, to which Congress ...
Jefferson County.
*The
Rocky Flats Plant
The Rocky Flats Plant was a U.S. manufacturing complex that produced nuclear weapons parts in the western United States, near Denver, Colorado. The facility's primary mission was the fabrication of plutonium pits, which were shipped to ot ...
produced nuclear weapons in Jefferson County from 1952 until 1989.
*The
Jefferson County Public Library, established in 1952.
*The
Jefferson County Government Center, also known as the "Taj Mahal".
*The
Denver Federal Center
The Denver Federal Center, in Lakewood, Colorado, is part of the General Services Administration and is home to about 6,200 employees of agencies of the federal government of the United States. The Center encompasses an area of about and has 90 ...
, the largest concentration of federal government agencies outside of
Washington, D.C.
)
, image_skyline =
, image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
, is located in Lakewood.
Sheriff's office
The Jefferson County Sheriff's Office responded to the 1999
Columbine High School massacre
On April 20, 1999, a school shooting and attempted bombing occurred at Columbine High School in Columbine, Colorado, United States. The perpetrators, 12th grade students Eric Harris and Dylan Klebold, murdered 12 students and one teacher. ...
, and investigated it together with the
F.B.I.
The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, t ...
The Sheriff's Office received backlash after it was revealed the agency had the perpetrators
Eric Harris and Dylan Klebold
Eric David Harris (April 9, 1981 – April 20, 1999) and Dylan Bennet Klebold (; September 11, 1981 – April 20, 1999) were an American mass murder duo who perpetrated the Columbine High School massacre on April 20, 1999. Harris and Klebold ...
in and out of custody prior to the shooting. After the shooting
Sue Klebold sued the Sheriff's office for failing to prevent their son from carrying out the Columbine High shootings. According to a "notice of intent to sue" filed by Susan and Thomas Klebold, county officials were "reckless, willful and wanton" in the way they handled a 1998 police report about Eric Harris' Internet ravings.
This lawsuit was dismissed along with several others pertaining to the shooting.
Politics
Jefferson County was a Republican stronghold for most of the 20th century. However, it has voted Democratic in every presidential election since 2008, consistent with the general trend in the Denver metropolitan area. In 2020,
Joe Biden won the largest percentage for a Democratic presidential candidate since 1916.
Recreation
State parks
*
Chatfield State Park
Chatfield State Park is a state park located in Douglas and Jefferson counties of Colorado, United States. The park centers on Chatfield Reservoir, a 1,423 acre surface area lake fed by the South Platte River and two other creeks, including Plu ...
*
Golden Gate Canyon State Park
Golden Gate Canyon State Park is a Colorado State Park located in Gilpin and Jefferson counties northwest of Golden, Colorado. The Front Range park established in 1960 has of hiking trails. Horse and bicycle travel is allowed on . Facilit ...
*
Staunton State Park
National forests and wilderness
*
Pike National Forest
The Pike National Forest is located in the Front Range of Colorado, United States, west of Colorado Springs including Pikes Peak. The forest encompasses 1,106,604 acres (4,478 km2) within Clear Creek, Teller, Park, Jefferson, Douglas and ...
*
Roosevelt National Forest
The Roosevelt National Forest is a National Forest located in north central Colorado. It is contiguous with the Colorado State Forest as well as the Arapaho National Forest and the Routt National Forest. The forest is administered jointly wit ...
*
Lost Creek Wilderness
National wildlife refuges
*
Rocky Flats National Wildlife Refuge
The Rocky Flats National Wildlife Refuge is National Wildlife Refuge in the United States, located approximately northwest of Denver, Colorado. The refuge is situated west of the cities of Broomfield and Westminster and situated north of the ...
*
Two Ponds National Wildlife Refuge
Two Ponds National Wildlife Refuge is the smallest urban unit of the National Wildlife Refuge System. The refuge is located in the City of Arvada, Jefferson County, Colorado, United States. The refuge consists of of land, including of upland ...
Historic trail
*
South Platte Trail
South Platte Trail was a historic trail that followed the southern side of South Platte River from Fort Kearny in Nebraska to Denver, Colorado. Plains Indians, such as the Cheyenne and the Arapaho, hunted in the lands around the South Platte Riv ...
Recreational trails
*
American Discovery Trail
The American Discovery Trail is a system of recreational trails and roads that collectively form a coast-to-coast hiking and biking trail across the mid-tier of the United States. Horses can also be ridden on most of this trail. The coastal tra ...
*
Apex National Recreation Trail
*
Big Dry Creek National Recreation Trail
Big or BIG may refer to:
* Big, of great size or degree
Film and television
* Big (film), ''Big'' (film), a 1988 fantasy-comedy film starring Tom Hanks
* ''Big!'', a Discovery Channel television show
* ''Richard Hammond's Big'', a television sh ...
*
Colorado Trail
The Colorado Trail is a long-distance trail running for from the mouth of Waterton Canyon southwest of Denver to Durango in Colorado, United States. Its highest point is above sea level, and most of the trail is above . Despite its high elevat ...
*
Platte River Greenway National Recreation Trail
*
Two Ponds National Recreation Trail
Scenic byway
*
Lariat Loop Scenic and Historic Byway
The Lariat Loop National Scenic and Historic Byway is a National Scenic Byway and a Colorado Scenic and Historic Byway located in Jefferson County, Colorado, USA. The byway is a loop in the Front Range foothills west of Denver through Golden, Col ...
Golf course
*
Hiwan Golf Club
*
Indian Tree Golf Club
Communities
Cities
*
Arvada
Arvada () is a home rule municipality located in Jefferson and Adams counties, Colorado, United States. The city population was 124,402 at the 2020 United States Census, with 121,510 residing in Jefferson County and 2,892 residing in Adams Cou ...
(part)
*
Edgewater
*
Golden
Golden means made of, or relating to gold.
Golden may also refer to:
Places United Kingdom
*Golden, in the parish of Probus, Cornwall
* Golden Cap, Dorset
*Golden Square, Soho, London
*Golden Valley, a valley on the River Frome in Gloucestershi ...
*
Lakewood
*
Littleton (part)
*
Westminster
Westminster is an area of Central London, part of the wider City of Westminster.
The area, which extends from the River Thames to Oxford Street, has many visitor attractions and historic landmarks, including the Palace of Westminster, Bu ...
(part)
*
Wheat Ridge
The City of Wheat Ridge is a home rule municipality located in Jefferson County, Colorado, United States. Wheat Ridge is located immediately west of Denver and is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The ...
Towns
*
Bow Mar (part)
*
Lakeside
*
Morrison Morrison may refer to:
People
* Morrison (surname), people with the Scottish surname Morrison
* Morrison Heady (1829–1915), American poet
* Morrison Mann MacBride (1877–1938), Canadian merchant
Places in the United States
* Morrison, Colorad ...
*
Mountain View
*
Superior (part)
Census-designated places
*
Applewood
*
Aspen Park
*
Brook Forest
*
Coal Creek (part)
*
Columbine
*
Dakota Ridge
*
East Pleasant View
*
Evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
*
Fairmount
*
Genesee
Genesee, derived from the Seneca word for "pleasant valley", may refer to:
Geographic features Canada
*Genesee, Alberta, an unincorporated community
United States
*Genesee, California
*Genesee, Colorado
*Genesee County, Michigan
*Genesee Co ...
*
Idledale
*
Indian Hills
*
Ken Caryl
*
Kittredge
*
West Pleasant View
Unincorporated communities
*
Buffalo Creek
*
Conifer
Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
*
Foxton
*
Pine
A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accep ...
*
Pine Junction
*
Plastic
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...
See also
*
Arapahoe County, Kansas Territory
Arapahoe County was a county of Kansas Territory in the United States that existed from August 25, 1855, until Kansas's admission into the Union on January 29, 1861.
History
On August 25, 1855, the Kansas Territorial Legislature created Arapahoe C ...
*
Denver-Aurora, CO Combined Statistical Area
*
Denver-Aurora-Lakewood, CO Metropolitan Statistical Area
*
Front Range Urban Corridor
*
Index of Colorado-related articles
This is an alphabetical list of articles related to the U.S. State of Colorado.
0–9
* .co.us – Internet second-level domain for the State of Colorado
* 4 Corners
** 4 Corners Monument
* 6th Principal Meridian
* 10-mile Range
* 10t ...
*
Jefferson County, Colorado Territory
*
Jefferson County, Jefferson Territory
*
List of statistical areas in Colorado
The U.S. state of Colorado has twenty-one statistical areas that have been delineated by the Office of Management and Budget (OMB). Statistical areas are important geographic delineations of population clusters used by the OMB, the United States ...
*
*
North Central Colorado Urban Area
240px, An enlargeable map of the 13-county North Central Colorado Urban Area
The North Central Colorado Urban Area comprises the four contiguous metropolitan statistical areas in the north central region of the State of Colorado: the Denver–Au ...
*
Outline of Colorado
The following outline is provided as an overview of and topical guide to the U.S. state of Colorado:
Colorado – 22nd most populous, the eighth most extensive, and the highest in average elevation of the 50 United States. Colorado ...
*
Pike's Peak Gold Rush
The Pike's Peak Gold Rush (later known as the Colorado Gold Rush) was the boom in gold prospecting and mining in the Pike's Peak Country of western Kansas Territory and southwestern Nebraska Territory of the United States that began in July 1858 a ...
References
External links
Jefferson County Government websiteColorado Historical Society
{{Authority control
Colorado counties
1861 establishments in Colorado Territory
Denver metropolitan area
Populated places established in 1861