Custer County is in Black Hills & Badlands South Dakota. Of the 66 counties in the Mount Rushmore State, 997,800-acre Custer County ranks 16th by size. South Dakota's Custer County includes about 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was about $4 million. The average price of ranches for sale in Custer County was $2 million. Common game species to be found on ranches for sale in Custer County include whitetail deer, mule deer, turkey, pheasant and deer. For fishermen, the rivers and lakes on Custer County ranches for sale are stocked with fish including bass, walleye, trout, pike, catfish and bluegill. Browse all South Dakota ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg.