The value of all farmsand rural real estate for sale in Michigan's Macomb County recently was almost $172 million, representing a combined 1,601 acres of land for sale in Macomb County. Macomb County ranks 20th out of 83 counties in the Wolverine State for the total number of acres of land currently advertised for sale. Among cities in Macomb County with farms, rural land, hunting land and other land for sale, Washington featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Macomb County. Macomb County is Michigan's 72nd largest county (570 square miles). It's located in the Southeast Michigan region of the state.