Breckenridge is a city and county seat of Stephens County, Texas, Texas, United States. The estimated population was 5,349 as of February 2021. Breckenridge was a stop on the since defunct Wichita Falls and Southern Railroad, one of the properties of Frank Kell and Joseph A. Kemp of Wichita Falls, Texas. The line was thereafter operated until 1969 by the Chicago, Rock Island and Pacific Railroad.