Arapahoe County was 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 ...

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 ...

in the

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 territorie ...

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 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 western portion of

(in what is now

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 ...

). 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 that lived in the region. In July 1858, gold 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, precipitating 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 ...

. To provide local government for the gold mining region, the Kansas Territorial Legislature split Arapahoe County into six counties on February 7, 1859: a much smaller Arapahoe County, Broderick County, El Paso County, Fremont County, Montana County, and Oro County. None of these six counties were ever organized. Many residents of the mining region felt disconnected from the territorial government, which was seated nearly 600 miles away, and 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. Following the Republican Party election victories in 1860, the

United States Congress The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washing ...

admitted

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 ...

to the

Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...

on January 29, 1861. The Kansas Act of Admission excluded the portion of the Kansas Territory west of the 25th meridian west from Washington from the new state, and Arapahoe County and the rest of this region reverted to unorganized territory. On February 28, 1861,

Colorado Territory 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 ...

was organized out of the present borders of the

State 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 the ...

to govern this unorganized territory and adjacent areas of

New Mexico Territory The Territory of New Mexico was an organized incorporated territory of the United States from September 9, 1850, until January 6, 1912. It was created from the U.S. provisional government of New Mexico, as a result of ''Santa Fe de Nuevo México ...

Utah Territory The Territory of Utah was an organized incorporated territory of the United States that existed from September 9, 1850, until January 4, 1896, when the final extent of the territory was admitted to the Union as the State of Utah, the 45th state. ...

, and

Nebraska Territory The Territory of Nebraska was an organized incorporated territory of the United States that existed from May 30, 1854, until March 1, 1867, when the final extent of the territory was admitted to the Union as the State of Nebraska. The Nebrask ...

. 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 17 counties on November 1, 1861, including a new Arapahoe County. Another Arapahoe County existed in southwestern Kansas around 1880, when its population was included in the Federal census of that year, but it was never organized. It became defunct in 1883 and its former area was established in 1887 as

Haskell County, Kansas Haskell County (county code HS) is a U.S. county, county located in the U.S. state of Kansas. As of the 2020 United States Census, 2020 census, the county population was 3,780. Its county seat and most populous city is Sublette, Kansas, Sublette ...

References

External links

Colorado County Evolution by Don StanwyckKansas State Historical Society websiteColorado State Historical Society website
{{coord missing, Colorado 1855 establishments in Kansas Territory Arapahoe County, Colorado Populated places disestablished in 1861

History

See also

References

External links