Of 66 counties in the Mount Rushmore State, Jackson County ranks 10th by size (1,871 square miles). Jackson County is in Black Hills & Badlands South Dakota. The total value of nearly 1,000 acres of riverfront homes and property recently listed for sale in South Dakota's Jackson County was nearly $100,000. Browse all waterfront property for sale in Jackson County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Jackson County is ranches.