Johnson County is a county in the north central part of the U.S. state of Wyoming. At the 2020 United States Census, the population was 8,447. The county seat is Buffalo. Kaycee is the only other incorporated town in the county. Johnson County lies to the southeast of the Bighorn Mountains along Interstate 25 and Interstate 90. The Powder River flows northward through eastern Johnson County.
Johnson County is a county in the north central part of the U.S. state of Wyoming. At the 2020 United States Census, the population was 8,447 The county seat is Buffalo. Kaycee is the only other incorporated town in the county. Johnson County lies to the southeast of the Bighorn Mountains along Interstate 25 and Int.erstate 90. The Powder River flows northward through eastern Johnson County.