The value of all farms, rural land, hunting land and other land for sale in Jay County, Indiana, recently was nearly $3 million, representing a combined 60 acres of land for sale in Jay County. Jay County ranks 91st out of 92 counties in the state for the total number of acres of land currently advertised for sale. Of all land and rural real estate for sale in Jay County, Dunkirk featured the most land for sale. Jay County is the 59th biggest county (384 square miles) in Indiana. It's located in the East Indiana region of the state.