Union County is in Western Iowa. Of the 99 counties in the Hawkeye State, Union County ranks 91st in terms of size (425 square miles). There is almost 1,000 acres of undeveloped land for sale in Union County, Iowa, based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here is nearly $7 million. The average price of undeveloped land for sale in Union County was $921,000. Some suggested uses for undeveloped land currently for sale in Union County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Union County include whitetail deer, turkey, pheasant, quail and deer. Current commercial applications for commercial property for sale in Union County include for hunting/fishing, commercial and agriculture use. Browse all Iowa undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.