Of 102 counties in the Prairie State, 875,728-acre Lake County ranks second by size. Lake County is in the Chicagoland Illinois region. A recent survey of Land Network data totals around 1,000 acres of undeveloped land for sale in Illinois's Lake County, which is valued at a combined $82 million. The average price of undeveloped acreage for sale in Lake County was $650,429. Some suggested uses for undeveloped land currently for sale in Lake County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Lake County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Lake 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.