Madison County is in Southwest Illinois. Of the 102 counties in the state, Madison County ranks 20th in terms of size (740 square miles). A recent survey of Land Network data records almost 2,000 acres of undeveloped land for sale in Illinois's Madison County, which is valued at a combined $46 million. The average price of undeveloped land for sale in Madison County was $265,447. 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, ducks and dove. 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.