Williamson County is in Southern Illinois. Of the 102 counties in the Land of Lincoln, Williamson County is 65th in terms of its size (444 square miles). The total value of approximately 1,000 acres of commercial land and property recently listed for sale in Illinois's Williamson County was almost $17 million. The average price of commercial acreage for sale in Williamson County was $1 million. Some suggested uses for commercial property currently for sale in Williamson County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Williamson County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Williamson County include for commercial, hunting/fishing and agriculture use. Browse all Illinois commercial acreage for sale on the Land Network to find your next commercial property or land investment.