Winnebago County is in Northern Illinois. Of the 102 counties in the Land of Lincoln, 332,280-acre Winnebago County ranks 52nd by size. There is 2,000 acres of undeveloped land for sale in Winnebago County, Illinois, based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is $35 million. The average price of undeveloped acreage for sale in Winnebago County was $693,206. Some suggested uses for undeveloped land currently for sale in Winnebago County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Winnebago County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Winnebago 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.