Clay County is in Southern Illinois. Of the 102 counties in the Land of Lincoln, Clay County ranks 60th in terms of size (300,501 acres). Illinois's Clay County has almost 3,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was about $11 million. The average price of undeveloped land for sale in Clay County was $5 million. Some suggested uses for undeveloped land currently for sale in Clay County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Clay County include whitetail deer, turkey, deer, ducks, dove, quail and waterfowl. Current commercial applications for commercial property for sale in Clay 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.