There was a combined nearly $259 million of farms, hunting land and other rural land and acreage for sale in Johnson County, Indiana, recently on Land.com. The total size of all Johnson County farms and rural land for sale was approximately 2,000 acres. Johnson County ranks ninth out of 92 counties in Indiana for the total number of acres of land currently advertised for sale. Among cities in Johnson County with farms, rural land, hunting land and other land for sale, Greenwood featured the most land for sale. Johnson County is the 76th largest county (321 square miles) in Indiana. It's located in the Central Indiana region of the state.