Sullivan County is in West Indiana. Of the 92 counties in the Hoosier?State, 454-square-mile Sullivan County ranks 19th by size. Recent Land Network data records about 1,000 acres of undeveloped land for sale in Indiana's Sullivan County, which is valued at a combined $599,900. The average price of undeveloped acreage for sale in Sullivan County was $49,991. Some suggested uses for undeveloped land currently for sale in Sullivan County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Sullivan County include turkey, whitetail deer, deer, ducks, geese and waterfowl. Current commercial applications for commercial property for sale in Sullivan County include for hunting/fishing, commercial and homestead use. Browse all Indiana undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.