A total of around 7,000 acres were listed for sale in Alabama's Madison County recently, representing a total value of almost $426 million in Madison County farms, ranches, and rural real estate for sale. Madison County ranks fifth in the Yellowhammer State for the total acreage of land currently advertised for sale. Of all locations in Madison County with farms, ranches, and rural real estate for sale, Huntsville had the most land for sale. From an economic perspective, government and state-level services contribute most to Madison County's overall GDP. Madison County is Alabama's 19th biggest county (812 square miles). It's located in the Mountains Alabama region of Alabama.