A total of around 1,000 acres were listed for sale in Iowa's Union County recently, representing a combined $10 million in Union County ranches, farms, hunting land and other rural land and acreage for sale. Union County ranks 55th out of 99 counties in the Hawkeye State for the combined amount of land currently advertised for sale. Among cities in Union County with ranches, farms, hunting land and other rural land and acreage for sale, Creston had 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 Iowa.