Madison County is in Southwest Illinois. Of the 102 counties in the Inland Empire, Madison County ranks 20th in terms of size (740 square miles). Recent listings of undeveloped land for sale in Madison County, Illinois, totals roughly 1,000 acres and a combined market value of $39 million. The most common type of land for sale by combined acreage in Madison County is residential property. The average price of undeveloped land for sale in Madison County was $232,401. Some suggested uses for undeveloped land currently for sale in Madison County include for hunting/fishing, commercial, 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 hunting/fishing, commercial and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.