The combined value of farms, rural land, hunting land and other land for sale in Pennsylvania's Clinton County recently on Land.com was $8 million. This represents almost 1,000 acres of farms and rural land for sale in Clinton County. Clinton County ranks 64th in the Keystone State for the total acreage of land currently advertised for sale. Mill Hall featured 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.