Marshall County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Mount Rushmore State, Marshall County ranks 35th in terms of size (567,183 acres). There is about 1,000 acres of farms for sale in South Dakota's Marshall County based on recent Land Network data, making it the most common type of land for sale in Marshall County. The combined market value of farms, ranches, hunting land and other land for sale here is roughly $8 million. The average price of farmland for sale in Marshall County was $4 million. The county has a rural, farm-based economy. Farms for sale in Marshall County sustain livestock including cattle and horses. Browse all South Dakota farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or individual needs.