A total of around 2,000 acres were listed for sale in Bennett County, South Dakota, recently, representing a combined $3 million in Bennett County farms and ranches for sale. Bennett County ranks 48th out of 66 counties in the Coyote State for the combined amount of land currently advertised 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 largest county (1,190 square miles). It's located in the Black Hills & Badlands South Dakota region of the state.