Of 102 counties in the Inland Empire, Cook County is first in terms of its size (1,634 square miles). Cook County is in the Chicagoland Illinois region. There is approximately 1,000 acres of undeveloped land for sale in Cook County, Illinois, based on recent Land Network data, making it the most common type of land for sale in Cook County. The combined market value of farms, rural land, hunting land and other land for sale here is around $74 million. The average price of undeveloped acreage for sale in Cook County was $815,157. Some suggested uses for undeveloped land currently for sale in Cook County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Cook County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Cook County include for hunting/fishing, commercial and agriculture use. Browse all Illinois undeveloped land for sale on the Land Network to find your next commercial property or land investment.