Union County is in Hills Mississippi. Of the 82 counties in the Magnolia State, 416-square-mile Union County ranks 72nd by size. Union County, Mississippi, includes 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was nearly $10 million. The average price of undeveloped land for sale in Union County was $454,095. Some suggested uses for undeveloped land currently for sale in Union County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Union County include whitetail deer, turkey, dove, deer and ducks. Current commercial applications for commercial property for sale in Union County include for hunting/fishing, commercial and homestead use. Browse all Mississippi undeveloped land for sale on the Land Network to find your next commercial property or land investment.