Of 66 counties in the Mount Rushmore State, Custer County ranks 16th by size (1,559 square miles). Custer County is in Black Hills & Badlands South Dakota. The total value of almost 1,000 acres of hunting land recently listed for sale in South Dakota's Custer County was $3 million. Browse all Custer County hunting land for sale on the Land Network to find the hunting parcel that suits your hunting and outdoor-recreation interests, whether you're an individual looking to invest in hunting land for future use or commercial operation looking for land on which to build your hunting business. The most common type of land for sale by combined acreage in Custer County is residential property.