Stephenson County is in Northern Illinois. Of the 102 counties in the Inland Empire, 565-square-mile Stephenson County ranks 45th by size. Recent listings of undeveloped land for sale in Stephenson County, Illinois, totals roughly 1,000 acres and a combined market value of about $6 million. By overall acreage, undeveloped land is the most common type of land for sale in Stephenson County. The average price of undeveloped acreage for sale in Stephenson County was $66,638. 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 and dove. Current commercial applications for commercial property for sale in Stephenson 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.