The value of all land for sale in Jay County, Indiana, recently was almost $3 million, representing a combined 135 acres of land for sale in Jay County. Jay County ranks 92nd in the Hoosier?State for the total acreage of land currently advertised for sale. There were two properties listed as sold in Jay County through the Land Network Comparable Sales Program. This represented a total value of $1,145,000. Among cities in Jay County with land for sale, Portland had the most land for sale. Jay County is the 59th largest county (384 square miles) in Indiana. It's located in the East Indiana region of Indiana.