The value of all farms and rural land for sale in Georgia's Johnson County recently was approximately $6 million, representing a total of 760 acres of land for sale in Johnson County. Johnson County ranks 151st in the state for the combined amount of land currently advertised for sale. Among cities in Johnson County with farms, rural land, hunting land and other land 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 Georgia.