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Hancock County is part of the Weirton-Steubenville, WV-OH Metropolitan Statistical Area, which is also included in the Pittsburgh-New Castle-Weirton, PA-WV-OH Combined Statistical Area.
History & Heritage in Mill Hall PA. 4 results total. Javascript is required to view this map. Lock Haven, the county seat, is a city in Clinton County located in northern Pennsylvania 24 miles southwest of Williamsport. The Lock Haven University is located here. Established in 1833, the... Heisey Museum tour takes 1 1/2 hours, giving you a glimpse into Clinton County's past.