The combined value of farms, ranches, and rural real estate for sale in South Dakota's Marshall County recently on Land.com was $15 million. This represents approximately 3,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Marshall County. Marshall County ranks 40th in the state for the total number of acres of land currently advertised for sale. Among cities in Marshall County with land for sale, Veblen featured the most land for sale. Agriculture and farming drives the Marshall County economy, with 518 farms recorded in the county during the U.S. Census in 2012. Farming activities in Marshall County generate annual revenues of $10 million, the majority of which comes from livestock products. Marshall County is South Dakota's 35th largest county (886 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.