There was a combined $4 million of farmsand rural real estate for sale in Johnson County, Georgia, recently on Land.com. The total acreage of all Johnson County farms, rural land, hunting land and other land for sale was 1,000 acres. Johnson County ranks 149th in the Peach State for the total number of acres of land currently advertised for sale. Among cities in Johnson County with farms, hunting land and other rural land and acreage for sale, Wrightsville featured the most land for sale. Government and state-level services are the main economic drivers in Johnson County. Johnson County is Georgia's 98th largest county (306 square miles). It's located in the Historic South Georgia region of Georgia.