Bennett County is in Black Hills & Badlands South Dakota. Of the 66 counties in the Mount Rushmore State, Bennett County is 23rd in terms of its size (1,190 square miles). South Dakota's Bennett County includes nearly 2,000 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 almost $2 million. The average price of farmland for sale in Bennett County was $596,383. The county has a rural, farm-based economy. Farms for sale in Bennett County hold livestock including cattle, horses, goats and sheep. 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 individual needs.