Roberts County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the state, Roberts County is 27th in terms of its size (1,135 square miles). Recent listings of recreational land and property for sale in South Dakota's Roberts County totals almost 1,000 acres and a combined market value of roughly $1 million. The most common type of land for sale by combined acreage in Roberts County is undeveloped land. The average price of recreational property for sale in Roberts County was $462,000. The county has a rural, farm-based economy. Browse all recreational property for sale in South Dakota to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.