Hamilton County is in Southern Illinois. Of the 102 counties in the Prairie State, Hamilton County ranks 68th in terms of size (435 square miles). There is nearly 1,000 acres of undeveloped land for sale in Hamilton County, Illinois, based on recent Land Network data, making it the most common type of land for sale in Hamilton County. The combined market value of farms, hunting land and other rural land and acreage for sale here is almost $900,000. The average price of undeveloped land for sale in Hamilton County was $141,733. The county has a rural, farm-based economy. Some suggested uses for undeveloped land currently for sale in Hamilton County include for commercial, agriculture, and hunting/fishing use. Some common wildlife species to be found on undeveloped land for sale in Hamilton County include turkey, whitetail deer, ducks and geese. Current commercial applications for commercial property for sale in Hamilton County include for commercial, agriculture and hunting/fishing use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.