Resident Population in Pennsylvania was 13059.43200 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, Resident Population in Pennsylvania reached a record high of 13059.43200 in January of 2025 and a record low of 6313.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Pennsylvania - last updated from the United States Federal Reserve on June of 2026.