The total value of land for sale in Bennett County, South Dakota, recently on Land.com was approximately $2 million. This represents nearly 3,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Bennett County. Bennett County ranks 47th out of 66 counties in the Mount Rushmore State for the total number of acres of land currently advertised for sale. Among cities in Bennett County with farms, ranches, hunting land and other land for sale, Martin featured the most land for sale. Its economy is defined as agricultural, with 219 farms recorded in the county during the most recent U.S. Census. Farming activities in Bennett County generate annual revenues of $5 million, the majority of which comes from livestock products. Bennett County is South Dakota's 23rd biggest county (1,190 square miles). It's located in the Black Hills & Badlands South Dakota region of South Dakota.