The overall value of land for sale in Clinton County recently on Land.com was almost $12 million. This represents around 7,000 acres of farms and rural land for sale in Clinton County. Based on the combined acreage of land and rural property for sale here, Clinton County has the most land for sale of all counties in Pennsylvania. There were two properties listed as sold in Clinton County through the Land Network Comparable Sales Program. This represented a total value of $405,000. Mill Hall had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Clinton County. Clinton County is Pennsylvania's 17th biggest county (896 square miles). It's located in the Great Lakes & Wilds Pennsylvania region of Pennsylvania.