Of 102 counties in the Prairie State, Lake County is second in terms of its size (1,368 square miles). Lake County is in the Chicagoland Illinois region. Recent listings of undeveloped land for sale in Illinois's Lake County totals around 1,000 acres and a combined market value of about $57 million. By overall acreage, house is the most common type of land for sale in Lake County. The average price of undeveloped land for sale in Lake County was $452,800. Some suggested uses for undeveloped land currently for sale in Lake County include for commercial, agriculture, and hunting/fishing use. Some common wildlife species to be found on undeveloped land for sale in Lake County include turkey, whitetail deer, ducks and geese. Current commercial applications for commercial property for sale in Lake County include for commercial, agriculture and hunting/fishing use. Browse all Illinois undeveloped land for sale on the Land Network to find your next commercial property or land investment.