Located in Northern Illinois, 1,148-square-mile LaSalle County is one of the ten biggest counties in the Prairie State. There is nearly 1,000 acres of undeveloped land for sale in LaSalle County, Illinois, based on recent Land Network data, making it the most common type of land for sale in LaSalle County. The combined market value of land and rural real estate for sale here is nearly $35 million. The average price of undeveloped land for sale in LaSalle County was $212,780. Some suggested uses for undeveloped land currently for sale in LaSalle County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in LaSalle County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in LaSalle 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.