There was a combined almost $19 million of farms, rural land, hunting land and other land for sale in Warren County, Pennsylvania, recently on Land.com. The total size of all Warren County land and rural real estate for sale was approximately 2,000 acres. Warren County ranks 48th out of 67 counties in the Independence State for the total acreage of land currently advertised for sale. Among cities in Warren County with farms, hunting land and other rural land and acreage for sale, Warren had the most land for sale. Warren County is Pennsylvania's 16th biggest county (898 square miles). It's located in the Great Lakes & Wilds Pennsylvania region of Pennsylvania.