There was a combined $19 million of land and rural real estate for sale in Armstrong County, Pennsylvania, recently on Land.com. The total of all Armstrong County farms, rural land, hunting land and other land for sale was almost 2,000 acres. Armstrong County ranks 53rd out of 67 counties in Pennsylvania for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Armstrong County through the Land Network Comparable Sales Program. This represented a total value of $404,000. Of all farms, rural land, hunting land and other land for sale in Armstrong County, Kittanning had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Pennsylvania. Armstrong County is the 34th biggest county (663 square miles) in Pennsylvania. It's located in the Pittsburgh & Countryside Pennsylvania region of the state.