Saint Clair County is in Southwest Illinois. Of the 102 counties in the Inland Empire, Saint Clair County is 29th in terms of its size (673 square miles). A recent survey of Land Network data records approximately 1,000 acres of commercial land and property for sale in Illinois's Saint Clair County, which is valued at a combined $6 million. The average price of commercial land and property for sale in Saint Clair County was $354,994. Some suggested uses for commercial property currently for sale in Saint Clair County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Saint Clair County include whitetail deer, turkey, deer, ducks and dove. Current commercial applications for commercial property for sale in Saint Clair County include for commercial, hunting/fishing and agriculture use. Browse all Illinois commercial land and property for sale on the Land Network to find your next commercial property or land investment.