Resident Population in Beaver County, PA was 165.63100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Beaver County, PA reached a record high of 210.00000 in January of 1972 and a record low of 163.95600 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Beaver County, PA - last updated from the United States Federal Reserve on May of 2024.