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 (997,800 acres). There is roughly 1,000 acres of farms for sale in Custer County, South Dakota, based on recent Land Network data. The combined market value of farms and ranches for sale here is $4 million. The average price of farms for sale in Custer County was $2 million. Farms for sale in Custer County hold livestock including cattle, horses, sheep and goats. 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.