Union County is in Western Iowa. Of the 99 counties in the Hawkeye State, Union County is 91st in terms of its size (272,510 acres). Recent listings of undeveloped land for sale in Union County, Iowa, totals approximately 1,000 acres and a combined market value of nearly $600,000. The most common type of land for sale by combined acreage in Union County is house. The average price of undeveloped land for sale in Union County was $138,500. Some suggested uses for undeveloped land currently for sale in Union County include for commercial, hunting/fishing, 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 commercial, hunting/fishing and agriculture use. Browse all Iowa undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.