A total of 3,000 acres were listed for sale in Michigan's Delta County recently, representing a total value of around $30 million in Delta County farmsand rural real estate for sale. Delta County ranks 51st out of 83 counties in the Great Lakes State for the combined amount of land currently advertised for sale. Of all land and rural real estate for sale in Delta County, Rapid River had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Delta County. Delta County is one of the ten largest counties in Michigan (1,991 square miles). It's located in the Upper Peninsula Michigan region of the state.