Armstrong County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the state, 663-square-mile Armstrong County ranks 34th by size. A recent survey of Land Network data totals 1,000 acres of undeveloped land for sale in Pennsylvania's Armstrong County, which is valued at a combined $1 million. The average price of undeveloped acreage for sale in Armstrong County was $244,233. Some suggested uses for undeveloped land currently for sale in Armstrong County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Armstrong County include bear, whitetail deer, deer, turkey, pheasant and blacktail deer. Current commercial applications for commercial property for sale in Armstrong 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.