There was a combined almost $4 million of land and rural real estate for sale in Georgia's Johnson County recently on Land.com. The total of all Johnson County land and rural real estate for sale was nearly 1,000 acres. Johnson County ranks 149th out of 159 counties in the Peach State for the total acreage of land currently advertised for sale. Of all locations in Johnson County with land and rural real estate for sale, Wrightsville featured the most land for sale. From an economic perspective, government and state-level services contribute most to Johnson County's overall GDP. Johnson County is the 98th largest county (306 square miles) in Georgia. It's located in the Historic South Georgia region of the state.