Located in Black Hills & Badlands South Dakota, 2,678-square-mile Harding County is one of the ten biggest counties in the state. South Dakota's Harding County has almost 10,000 acres of farms for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was about $9 million. The average price of farmland for sale in Harding County was $3 million. The county has a rural, farm-based economy. Farms for sale in Harding County support 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 commercial or individual needs.