A combined approximately 1,000 acres were listed for sale in Roberts County recently; the overall value of all Roberts County land and rural real estate for sale was around $5 million. Roberts County ranks 16th out of 66 counties in the Coyote State for the combined amount of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Roberts County, Big Stone City featured the most land for sale. Agriculture and farming drives the Roberts County economy, with 876 farms recorded in the county during the U.S. Census in 2012. Farming activities in Roberts County generate annual revenues of $16 million, most of which is from crops. Roberts County is South Dakota's 27th largest county (1,135 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.