The combined value of ranches, farms, hunting land and other rural land and acreage for sale in Iowa's Union County recently on Land.com was approximately $10 million. This represents almost 1,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Union County. Union County ranks 62nd out of 99 counties in the Cyclone State for the combined amount of land currently advertised for sale. There were four properties listed as sold in Union County through the Land Network Comparable Sales Program. This represented a total value of $3,218,600. Among cities in Union County with farms, ranches, and rural real estate for sale, Creston featured the most land for sale. Manufacturing and related services are the largest economic sectors in Union County. Union County is the 91st biggest county (425 square miles) in Iowa. It's located in the Western Iowa region of the state.