List of All Counties in Pennsylvania – Countryaah.com
There are a total of 67 counties in the state of Pennsylvania. Among them, Bucks County is the oldest one (established in 1682) while Lackawanna County is the youngest (established in 1878). With population of 1,526,006, Philadelphia County is the most populated. The biggest county by land area is Lycoming County (3,222 km 2) and the smallest is Montour County (342 km 2 ).
DA: 59 PA: 55 MOZ Rank: 62