Mercer County is in Great Lakes & Wilds Pennsylvania. Of the 67 counties in the Independence State, Mercer County ranks 33rd in terms of size (436,867 acres). There is nearly 1,000 acres of undeveloped land for sale in Mercer County, Pennsylvania, based on recent Land Network data. The combined market value of land and rural real estate for sale here is almost $3 million. The average price of undeveloped acreage for sale in Mercer County was $250,830. Some suggested uses for undeveloped land currently for sale in Mercer County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Mercer County include bear, whitetail deer, turkey, deer and blacktail deer. Current commercial applications for commercial property for sale in Mercer County include for hunting/fishing, commercial and homestead use. Browse all Pennsylvania undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.