The value of all farms, rural land, hunting land and other land for sale in Georgia's Johnson County recently was around $4 million, representing a combined 586 acres of land for sale in Johnson County. Johnson County ranks 147th out of 159 counties in the Peach State for the combined amount of land currently advertised for sale. Among cities in Johnson County with farms, hunting land and other rural land and acreage 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 the 98th biggest county (306 square miles) in Georgia. It's located in the Historic South Georgia region of Georgia.