The combined value of farmsand rural real estate for sale in Pennsylvania's Warren County recently on Land.com was around $17 million. This represents almost 2,000 acres of farms, hunting land and other rural land and acreage for sale in Warren County. Warren County ranks 48th in the state for the combined amount of land currently advertised for sale. There were two properties listed as sold in Warren County through the Land Network Comparable Sales Program. This represented a total value of $551,500. Warren had the most land for sale. Warren County is the 16th biggest county (898 square miles) in Pennsylvania. It's located in the Great Lakes & Wilds Pennsylvania region of the state.