The combined value of ranches, farms, hunting land and other rural land and acreage for sale in Alabama's Madison County recently on Land.com was around $274 million. This represents 8,000 acres of land for sale in Madison County. Madison County ranks 11th in the Camellia State for the combined amount of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Madison County, Huntsville featured 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 largest county (812 square miles). It's located in the Mountains Alabama region of the state.