Custer County is in Black Hills & Badlands South Dakota. Of the 66 counties in the state, Custer County is 16th in terms of its size (997,800 acres). Custer County, South Dakota, has roughly 4,000 acres of recreational land for sale based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here was around $20 million. The average price of recreational property for sale in Custer County was $2 million. Browse all recreational property for sale in South Dakota to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.