Madison County is in Southwest Illinois. Of the 102 counties in the state, Madison County ranks 20th in terms of size (473,950 acres). Illinois's Madison County has nearly 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was nearly $42 million. The average price of undeveloped acreage for sale in Madison County was $224,571. Some suggested uses for undeveloped land currently for sale in Madison County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Madison County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Madison County include for commercial, hunting/fishing and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.