Kit Carson County is one of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 8,270. The county seat is Burlington. The county was established in 1889 and named for American frontiersman and Indian fighter Kit Carson.
According to the U.S. Census Bureau, the county has a total area of 2,162 square miles (5,600 km), of which 2,161 square miles (5,600 km) is land and 0.9 square miles (2.3 km) (0.04%) is water.
As of the census of 2000, there were 8,011 people, 2,990 households, and 2,081 families residing in the county. The population density was 4 people per square mile (1/km²). There were 3,430 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 87.28% White, 1.74% Black or African American, 0.51% Native American, 0.32% Asian, 0.04% Pacific Islander, 9.20% from other races, and 0.91% from two or more races. 13.67% of the population were Hispanic or Latino of any race.
There were 2,990 households out of which 33.60% had children under the age of 18 living with them, 59.40% were married couples living together, 6.30% had a female householder with no husband present, and 30.40% were non-families. 27.20% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.07.
In the county, the population was spread out with 26.70% under the age of 18, 7.50% from 18 to 24, 29.00% from 25 to 44, 22.20% from 45 to 64, and 14.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 112.20 males. For every 100 females age 18 and over, there were 112.10 males.
The median income for a household in the county was $33,152, and the median income for a family was $41,867. Males had a median income of $28,700 versus $19,978 for females. The per capita income for the county was $16,964. About 9.40% of families and 12.10% of the population were below the poverty line, including 16.60% of those under age 18 and 11.10% of those age 65 or over.