Of 66 counties in the state, Marshall County ranks 35th in terms of size (886 square miles). Marshall County is in Glacial Lakes & Prairies South Dakota. Recent listings of ranches for sale in South Dakota's Marshall County totals 2,000 acres and a combined market value of roughly $6 million. By overall acreage, residential property is the most common type of land for sale in Marshall County. Browse all Marshall County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. By overall acreage, residential property is the most common type of land for sale in Marshall County.