Custer County is in Black Hills & Badlands South Dakota. Of the 66 counties in the Coyote State, Custer County ranks 16th in terms of size (1,559 square miles). The total value of 1,000 acres of farms recently listed for sale in Custer County, South Dakota, was nearly $8 million. The average price of farmland for sale in Custer County was $2 million. Farms for sale in Custer County hold livestock including cattle and horses. Browse all South Dakota farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.