There was a combined around $21 million of farms, hunting land and other rural land and acreage for sale in Indiana's Jennings County recently on Land.com. The total acreage of all Jennings County farms and rural real estate for sale was nearly 2,000 acres. Jennings County ranks 61st in the Hospitality State for the total number of acres of land currently advertised for sale. North Vernon featured the most land for sale. Manufacturing and related services are the largest economic sectors in Jennings County. Jennings County is the 60th largest county (378 square miles) in Indiana. It's located in the South Central Indiana region of the state.