Mason County is in Western Illinois. Of the 102 counties in the Inland Empire, Mason County is 47th in terms of its size (360,661 acres). A recent survey of Land Network data records 1,000 acres of undeveloped land for sale in Illinois's Mason County, which is valued at a combined $49,300. The average price of undeveloped land for sale in Mason County was $16,433. Some suggested uses for undeveloped land currently for sale in Mason County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Mason County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Mason County include for commercial, hunting/fishing and agriculture use. Browse all Illinois undeveloped land for sale on the Land Network to find your next commercial property or land investment.