Jefferson County, Colorado

Jefferson County is a county located in the U.S. state of Colorado. As of 2000, the population was 527,056. The county seat is Golden. It was named after the unofficial Jefferson Territory, which was named after President Thomas Jefferson.

Columbine High School, site of the Columbine High School massacre, is located in Jefferson County.

Geography

According to the U.S. Census Bureau, the county has a total area of 2,015 km² (778 mi²). 2,000 km² (772 mi²) of it is land and 15 km² (6 mi²) of it (0.77%) is water.

Demographics

As of the census ² of 2000, there were 527,056 people, 206,067 households, and 140,537 families residing in the county. The population density was 264/km² (683/mi²). There were 212,488 housing units at an average density of 106/km² (275/mi²). The racial makeup of the county was 90.59% White, 0.89% Black or African American, 0.75% Native American, 2.28% Asian, 0.08% Pacific Islander, 3.23% from other races, and 2.18% from two or more races. 9.95% of the population were Hispanic or Latino of any race.

There were 206,067 households out of which 33.40% had children under the age of 18 living with them, 55.10% were married couples 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 and 6.30% had 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.

In the county the population was spread out with 25.30% under the age of 18, 8.10% from 18 to 24, 32.10% from 25 to 44, 24.90% from 45 to 64, and 9.60% who were 65 years of age or older. The median age was 37 years. 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 for the county was $28,066. About 3.40% of families and 5.20% of the population were below the poverty line, including 5.80% of those under age 18 and 5.10% of those age 65 or over.

Communities

Cities

Towns

Unincorporated census-designated places

Adjacent Counties

External links

Jefferson County, Colorado (official page)

Colorado counties | Jefferson County, Colorado

Jefferson County (Colorado) | Condado de Jefferson (Colorado) | 杰斐逊县 (科罗拉多州)

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