A combined 1,000 acres were listed for sale in Georgia's Johnson County recently; the combined value of all Johnson County farms, rural land, hunting land and other land for sale was almost $5 million. Johnson County ranks 148th in the Peach State for the combined amount of land currently advertised for sale. Among cities in Johnson County with land and rural real estate for sale, Wrightsville had the most land for sale. Government and state-level services are the main economic drivers in Johnson County. Johnson County is Georgia's 98th biggest county (306 square miles). It's located in the Historic South Georgia region of the state.