Adams County is in Western Illinois. Of the 102 counties in the Inland Empire, Adams County is 12th in terms of its size (871 square miles). Adams County, Illinois, includes 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was nearly $4 million. The average price of undeveloped acreage for sale in Adams County was $576,833. Some suggested uses for undeveloped land currently for sale in Adams County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Adams County include whitetail deer, turkey, deer, ducks, dove, quail and waterfowl. Current commercial applications for commercial property for sale in Adams 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.