Kit Carson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 7,087. The county seat is Burlington. The county was established in 1889 and named for American frontiersman and Indian fighter Kit Carson.

Burlington is a home rule municipality and the county seat and most populous community of Kit Carson County, Colorado, United States. The city population was 3,172 at the 2020 United States Census.