McCook County is in Southeast South Dakota. Of the 66 counties in the state, McCook County is 53rd in terms of its size (369,194 acres). Recent listings of residential land and property for sale in South Dakota's McCook County totals around 1,000 acres and a combined market value of approximately $5 million. The most common type of land for sale by combined acreage in McCook County is house. The average price of residential land for sale in McCook County was $522,170. The county has a rural, farm-based economy. Browse all residential land and rural property for sale in South Dakota to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.