The total value of land and rural real estate for sale in McCook County recently on Land.com was nearly $7 million. This represents nearly 1,000 acres of farms and ranches for sale in McCook County. McCook County ranks 39th out of 66 counties in the state for the total acreage of land currently advertised for sale. Among cities in McCook County with farms, ranches, and rural real estate for sale, Bridgewater had the most land for sale. McCook County has a large agricultural economy, with 568 farms recorded in the county during the latest U.S. Census. Farming activities in McCook County generate annual revenues of $39 million, most of which is from crops. McCook County is the 53rd biggest county (576 square miles) in South Dakota. It's located in the Southeast South Dakota region of South Dakota.