A total of approximately 1,000 acres were listed for sale in Roberts County recently, representing a combined around $6 million in Roberts County land for sale. Roberts County ranks 14th in the Mount Rushmore State for the total acreage of land currently advertised for sale. Among cities in Roberts County with farms, ranches, and rural real estate for sale, Big Stone City featured the most land for sale. Roberts County has a large agricultural economy, with 876 farms recorded in the county during the latest U.S. Census. Farming activities in Roberts County generate annual revenues of $16 million, most of which is from crops. Roberts County is South Dakota's 27th biggest county (1,135 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of the state.