A total of around 5,000 acres were listed for sale in Jackson County, Michigan, recently, representing a combined nearly $230 million in Jackson County farms, rural land, hunting land and other land for sale. Jackson County ranks first out of 83 counties in the Wolverine State for the total number of acres of land currently advertised for sale. Jackson featured the most land for sale. Jackson County is Michigan's 42nd biggest county (723 square miles). It's located in the Southwest Michigan region of the state.