Clinton County is in Great Lakes & Wilds Pennsylvania. Of the 67 counties in the Keystone State, Clinton County is 17th in terms of its size (896 square miles). Clinton County, Pennsylvania, includes roughly 1,000 acres of residential land and property for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was approximately $4 million. The average price of residential land for sale in Clinton County was $285,007. Browse all residential land and rural property for sale in Pennsylvania to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.