Marion County is in Southern Illinois. Of the 102 counties in the state, Marion County is 42nd in terms of its size (368,666 acres). Illinois's Marion County includes nearly 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land for sale here was nearly $3 million. The average price of undeveloped acreage for sale in Marion County was $184,715. Some suggested uses for undeveloped land currently for sale in Marion County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Marion County include whitetail deer, turkey, deer, ducks and dove. Current commercial applications for commercial property for sale in Marion County include for commercial, hunting/fishing and agriculture use. Browse all Illinois undeveloped land for sale on the Land Network to find your next commercial property or land investment.