The combined value of land for sale in Pennsylvania's Clinton County recently on Land.com was nearly $14 million. This represents approximately 1,000 acres of farms, rural land, hunting land and other land for sale in Clinton County. Clinton County ranks 57th in the Keystone State for the combined amount of land currently advertised for sale. Of all land and rural real estate for sale in Clinton County, 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 largest county (896 square miles). It's located in the Great Lakes & Wilds Pennsylvania region of Pennsylvania.