The combined value of farmsand rural real estate for sale in Delta County recently on Land.com was $49 million. This represents nearly 3,000 acres of farms, hunting land and other rural land and acreage for sale in Delta County. Delta County ranks 56th out of 83 counties in the Mitten State for the combined amount of land currently advertised for sale. Among cities in Delta County with farms, rural land, hunting land and other land for sale, 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 biggest counties in Michigan (1,991 square miles). It's located in the Upper Peninsula Michigan region of Michigan.