Land for sale in Forest County recently totaled around $3 million and 1,000 acres. Forest County ranks 65th in the Keystone State for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Forest County through the Land Network Comparable Sales Program. This represented a total value of $50,400. Of all farms, rural land, hunting land and other land for sale in Forest County, Marienville featured the most land for sale. Forest County is the 53rd largest county (430 square miles) in Pennsylvania. It's located in the Great Lakes & Wilds Pennsylvania region of the state.