Sullivan County is in Northeast Mountains Pennsylvania. Of the 67 counties in the Keystone State, Sullivan County ranks 50th in terms of size (289,596 acres). Pennsylvania's Sullivan County includes almost 2,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was approximately $3 million. The average price of undeveloped land for sale in Sullivan County was $482,328. 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 bear, whitetail deer, deer, turkey, blacktail deer and pheasant. Current commercial applications for commercial property for sale in Sullivan County include for hunting/fishing, commercial and homestead use. Browse all Pennsylvania undeveloped land for sale on the Land Network to find your next commercial property or land investment.