The value of farms, ranches, hunting land and other land for sale in Johnson County, Wyoming, recently on Land.com was approximately $92 million. This represents approximately 5,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Johnson County. Johnson County ranks 12th out of 23 counties in the Equality State for the combined amount of land currently advertised for sale. Buffalo featured the most land for sale. Based on its natural assets, tourism and recreation are important contributors to the Johnson County economy. Johnson County is one of the ten largest counties in Wyoming (4,174 square miles). It's located in the Northeast Wyoming region of the state.