Jackson County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
In July 1858, gold was discovered along the South Platte River in Arapahoe County, Kansas Territory. This discovery precipitated the Pike's Peak Gold Rush. Many residents of the mining region felt disconnected from the remote territorial governments of Kansas and Nebraska, so they voted to form their own Territory of Jefferson on October 24, 1859. On November 28, the General Assembly of the Territory of Jefferson organized 12 counties: Arrappahoe County, Cheyenne County, El Paso County, Fountain County, Heele County, Jackson County, Jefferson County, Mountain County, North County, Park County, Saratoga County, and St. Vrain's County. [1] The legislation that created Jackson County declared:
That the territory comprised within the following limits, be erected into a county to be called Jackson; commencing at a point on the 40th parallel, known in the field notes of the government surveys as the south east corner of Town 1, Range 1, North, 69 West of the 6th principal meridian, thence running south nine miles, thence north to the 40th parallel, thence west to the South Range, thence north 18 miles, thence to the north east corner of Town 3 North Range 69 West; thence south to the place of beginning; and also that the county seat be permanently located at Boulder City.
Jackson County was named in honor of U.S. President Andrew Jackson. Boulder City served as the county seat of Jackson County. Jackson County encompassed much of what is today Boulder County, Colorado.
The Jefferson Territory never received federal sanction, but on February 28, 1861, U.S. President James Buchanan signed an act organizing the Territory of Colorado. [2] On November 1, 1861, the Colorado General Assembly organized 17 counties, including Boulder County, for the new Colorado Territory.
Jackson County's first office holding official was Thomas J. Graham, appointed by Governor Robert Williamson Steele in December 1859 as President Judge of Jackson County. He held office until the county's first popular election was held on January 2, 1860.
Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city is Lakewood.
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 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 third United States president Thomas Jefferson, included land officially part of the Kansas Territory, the Nebraska Territory, the New Mexico Territory, the Utah Territory, and the Washington Territory, but the area was remote from the governments of those five territories.
Pike's Peak Country was the name given to the gold mining region of the western United States near Pikes Peak during the Pike's Peak Gold Rush of 1858–1861. The Pike's Peak Country included the region of western Kansas Territory roughly west of the 104th meridian west and the region of southwestern Nebraska Territory roughly west of the 104th meridian west and south of the 41st parallel north. The Pike's Peak Country became the heart of the extralegal Jefferson Territory on October 24, 1859, and the Colorado Territory on February 28, 1861.
Jefferson County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861. Its territory covered a broad swath surrounding the region of the Pike's Peak Gold Rush, and was a functioning democratically elected government until the organization of the Territory of Colorado in 1861. At that time, the successor Jefferson County was permanently created, taking its name from its predecessor and incorporating the heart of its 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.
Fremont County was a county of the United States Territory of Kansas that existed for two years from February 7, 1859, to January 29, 1861.
Montana County was a county of the United States Territory of Kansas that existed from February 2, 1859 to January 29, 1861, when Kansas joined the Union as a state.
Oro County was a county of the United States Territory of Kansas that existed from February 7, 1859 to January 29, 1861, when Kansas joined the Union as a state.
Arapahoe County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861. The county name was also spelled Arapaho County, Arapahoe County, Arrapahoe County, and Arappahoe County. The county seat was Denver City.
Cheyenne County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
El Paso County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861. The county seat was Colorado City.
Fountain County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
Heele County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861. It may also have been known as Steele County.
Mountain County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
North County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
Park County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
Saratoga County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
This is an alphabetical list of articles related to the U.S. State of Colorado.
St. Vrain's County was a county of the extralegal United States Territory of Jefferson that existed from November 28, 1859, until February 28, 1861.
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