There was a total of around $6 million of farms, ranches, and rural real estate for sale in South Dakota's Deuel County recently on Land.com. The total size of all Deuel County land for sale was nearly 1,000 acres. Deuel County ranks 34th out of 66 counties in the Mount Rushmore State for the combined amount of land currently advertised for sale. Among cities in Deuel County with land and rural real estate for sale, Clear Lake featured the most land for sale. Deuel County has a large agricultural economy, with 664 farms recorded in the county during the latest U.S. Census. Farming activities in Deuel County generate annual revenues of $11 million, most of which is from crops. Deuel County is South Dakota's 49th largest county (636 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of the state.