Charles Mix County is in Great Lakes South Dakota. Of the 66 counties in the Mount Rushmore State, 1,150-square-mile Charles Mix County ranks 26th by size. The total value of around 3,000 acres of recreational land recently listed for sale in Charles Mix County, South Dakota, was approximately $24 million. The average price of recreational property for sale in Charles Mix County was $5 million. 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.