Pennsylvania's Largest Cities by Population

Ranked by recent Census Bureau estimates (2022–2023), Pennsylvania's top 10 cities are:

1. Philadelphia – 1,567,000
2. Pittsburgh – 303,000
3. Allentown – 125,000
4. Reading – 95,000
5. Erie – 93,000
6. Scranton – 76,000
7. Bethlehem – 75,000
8. Lancaster – 58,000
9. Harrisburg (capital) – 50,000
10. Altoona – 43,000

Notes

Philadelphia dominates as the only first-class city; Pittsburgh anchors the west. The Lehigh Valley (Allentown/Bethlehem) and Scranton/Wilkes-Barre are key regional clusters. Figures are rounded; consult Census.gov for exact current estimates.