Mitchell County is a county in the U.S. state of Texas. As of the 2020 census, its population was 8,990. Its county seat is Colorado City. The county was created in 1876 and organized in 1881. It is named for Asa and Eli Mitchell, two early settlers and soldiers in the Texas Revolution.

Colorado City is a city in and the county seat of Mitchell County, Texas, United States. Its population was 3,991 at the 2020 census.