The value of land for sale in McKean County recently on Land.com was around $8 million. This represents 1,000 acres of land and rural real estate for sale in McKean County. McKean County ranks 57th in the Keystone State for the total number of acres of land currently advertised for sale. Of all locations in McKean County with farms, rural land, hunting land and other land for sale, Bradford featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Pennsylvania. McKean County is Pennsylvania's 12th largest county (984 square miles). It's located in the Great Lakes & Wilds Pennsylvania region of Pennsylvania.