There was a total of almost $2 million of farms, hunting land and other rural land and acreage for sale in Indiana's Jay County recently on Land.com. The total size of all Jay County farms and rural real estate for sale was nearly 1,000 acres. Jay County ranks 91st in the Crossroads of America for the total number of acres of land currently advertised for sale. Of all locations in Jay County with land for sale, Dunkirk had the most land for sale. Jay County is Indiana's 59th largest county (384 square miles). It's located in the East Indiana region of the state.