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| Gilpin County, Colorado | |
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| Map | |
Location in the state of Colorado |
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 Colorado's location in the U.S. |
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| Statistics | |
| Founded | November 1, 1861 |
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| Seat | Central City |
| Largest City | Central City |
| Area - Total - Land - Water |
150 sq mi (388 km²) 150 sq mi (388 km²) 0.4 sq mi (1 km²), 0.2% |
| PopulationEst. - (2015) - Density |
5,828 36/sq mi (14/km²) |
| Time zone | Mountain: UTC-7/-6 |
| Website: www.co.gilpin.co.us | |
| Named for: William Gilpin | |
Gilpin County is the second-least extensive of the 64 counties of the U.S. state of Colorado, behind only the City and County of Broomfield. As of the 2010 census, the population was 5,441. The county seat is Central City. The county was formed in 1861, while Colorado was still a Territory, and was named after Colonel William Gilpin, the first Governor of the Territory of Colorado.
Gilpin County is part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 150 square miles (390 km2), of which 150 square miles (390 km2) is land and 0.4 square miles (1.0 km2) (0.2%) is water. It is the second-smallest county by area in Colorado.
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1870 | 5,490 | — | |
| 1880 | 6,489 | 18.2% | |
| 1890 | 5,867 | −9.6% | |
| 1900 | 6,690 | 14.0% | |
| 1910 | 4,131 | −38.3% | |
| 1920 | 1,364 | −67.0% | |
| 1930 | 1,212 | −11.1% | |
| 1940 | 1,625 | 34.1% | |
| 1950 | 850 | −47.7% | |
| 1960 | 685 | −19.4% | |
| 1970 | 1,272 | 85.7% | |
| 1980 | 2,441 | 91.9% | |
| 1990 | 3,070 | 25.8% | |
| 2000 | 4,757 | 55.0% | |
| 2010 | 5,441 | 14.4% | |
| Est. 2015 | 5,828 | 7.1% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2015 |
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As of the census of 2000, there were 4,757 people, 2,043 households, and 1,264 families residing in the county. The population density was 32 people per square mile (12/km²). There were 2,929 housing units at an average density of 20 per square mile (8/km²). The racial makeup of the county was 94.37% White, 0.53% Black or African American, 0.82% Native American, 0.69% Asian, 0.19% Pacific Islander, 1.53% from other races, and 1.87% from two or more races. 4.25% of the population were Hispanic or Latino of any race.
There were 2,043 households out of which 26.90% had children under the age of 18 living with them, 53.00% were married couples living together, 5.70% had a female householder with no husband present, and 38.10% were non-families. 26.80% of all households were made up of individuals and 3.70% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.81.
In the county, the population was spread out with 21.10% under the age of 18, 5.80% from 18 to 24, 37.40% from 25 to 44, 30.00% from 45 to 64, and 5.70% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 112.70 males. For every 100 females age 18 and over, there were 116.10 males.
The median income for a household in the county was $51,942, and the median income for a family was $61,859. Males had a median income of $38,560 versus $30,820 for females. The per capita income for the county was $26,148. About 1.00% of families and 4.00% of the population were below the poverty line, including 1.40% of those under age 18 and 6.10% of those age 65 or over.
