Roberts County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Mount Rushmore State, Roberts County ranks 27th in terms of size (726,897 acres). Recent listings of farms for sale in South Dakota's Roberts County totals about 1,000 acres and a combined market value of around $2 million. By overall acreage, undeveloped land is the most common type of land for sale in Roberts County. The average price of farmland for sale in Roberts County was $606,666. The economy here is principally agricultural. Farms for sale in Roberts County sustain livestock including cattle, horses, goats and sheep. 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.