Henry County is in Western Illinois. Of the 102 counties in the Land of Lincoln, 825-square-mile Henry County ranks 16th by size. Recent listings of undeveloped land for sale in Illinois's Henry County totals nearly 1,000 acres and a combined market value of approximately $600,000. The most common type of land for sale by combined acreage in Henry County is residential property. The average price of undeveloped land for sale in Henry County was $250,000. Some suggested uses for undeveloped land currently for sale in Henry County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Henry County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Henry 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.