Johnson County is in Southern Illinois. Of the 102 counties in the state, Johnson County ranks 84th in terms of size (348 square miles). The total value of almost 1,000 acres of undeveloped land recently listed for sale in Johnson County, Illinois, was about $700,000. The average price of undeveloped acreage for sale in Johnson County was $106,216. Some suggested uses for undeveloped land currently for sale in Johnson County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Johnson County include whitetail deer, turkey, deer, ducks and dove. Current commercial applications for commercial property for sale in Johnson 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.