Marion County is in Southern Illinois. Of the 102 counties in the Prairie State, Marion County ranks 42nd in terms of size (368,666 acres). Recent listings of undeveloped land for sale in Marion County, Illinois, totals nearly 1,000 acres and a combined market value of approximately $3 million. The most common type of land for sale by combined acreage in Marion County is residential property. The average price of undeveloped acreage for sale in Marion County was $185,092. Some suggested uses for undeveloped land currently for sale in Marion County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Marion County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in Marion County include for hunting/fishing, commercial and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.