Custer County is a county in the State of Colorado of the United States. The county population was 4,602 at U.S. Census 2016. The county seat is Westcliffe.
History
Custer County was created by the Colorado legislature on March 9, 1877, out of the southern half of Fremont County. Originally set in Ula, the county seat moved to Rosita in 1878, and to Silver Cliff in 1886 before settling in Westcliffe in 1928. It was named in honor of Lt. Colonel George Armstrong Custer, who had died the previous year.