Beaver Borough

The Borough of Beaver became the county seat in 1800 upon the formation of Beaver County, and formalized as a borough by an act of March 27, 1802. By the middle of the 19th century, Beaver was already a thriving town and home to many prominent individuals who would leave their mark on the history of our nation.  As of the 2010 census, the borough population was 4,531.