The value of all ranches, farms, hunting land and other rural land and acreage for sale in South Dakota's Marshall County recently was $11 million, representing a combined 1,795 acres of land for sale in Marshall County. Marshall County ranks 51st in the state for the total number of acres of land currently advertised for sale. Veblen had the most land for sale. Its economy is defined as agricultural, with 518 farms recorded in the county during the most recent U.S. Census. Farming activities in Marshall County generate annual revenues of $10 million, the majority of which comes from livestock products. Marshall County is the 35th biggest county (886 square miles) in South Dakota. It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.