Union County is in Southeast South Dakota. Of the 66 counties in the Coyote State, 298,961-acre Union County ranks 62nd by size. Recent listings of commercial land and property for sale in Union County, South Dakota, totals approximately 1,000 acres and a combined market value of $3 million. The most common type of land for sale by combined acreage in Union County is residential property. The average price of commercial acreage for sale in Union County was $176,076. Some suggested uses for commercial property currently for sale in Union County include for hunting/fishing, commercial, and residential single use. Some common wildlife species to be found on undeveloped land for sale in Union County include whitetail deer, mule deer, turkey, deer and pheasant. Current commercial applications for commercial property for sale in Union County include for hunting/fishing, commercial and residential single use. Browse all South Dakota commercial land and property for sale on the Land Network to find your next commercial property or land investment.