Stephenson County is in Northern Illinois. Of the 102 counties in the Land of Lincoln, 565-square-mile Stephenson County ranks 45th by size. Illinois's Stephenson County includes nearly 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land for sale here was around $7 million. The average price of undeveloped acreage for sale in Stephenson County was $92,334. Some suggested uses for undeveloped land currently for sale in Stephenson County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Stephenson County include whitetail deer, turkey, deer, ducks, dove and waterfowl. Current commercial applications for commercial property for sale in Stephenson County include for commercial, hunting/fishing and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.