Brown County is in Western Illinois. Of the 102 counties in the Inland Empire, 307-square-mile Brown County ranks 91st by size. Illinois's Brown County includes approximately 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land for sale here was roughly $200,000. The average price of undeveloped acreage for sale in Brown County was $62,450. Some suggested uses for undeveloped land currently for sale in Brown County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Brown County include whitetail deer, turkey, deer, ducks, waterfowl and dove. Current commercial applications for commercial property for sale in Brown 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.