Johnson County is in Northeast Wyoming. Of the 23 counties in the Cowboy State, Johnson County is 11th in terms of its size (3 million acres). Recent Land Network data totals nearly 2,000 acres of residential land and property for sale in Wyoming's Johnson County, which is valued at a combined $23 million. The average price of residential land for sale in Johnson County was $782,531. Browse all residential land and rural property for sale in Wyoming to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.