I3INSIT3
STATE DIRECTORY / PA
2025 POPULATION CENTERS / PA

Pennsylvania.

Canonical weather-risk pages for the ten leading county and county-equivalent population centers in Pennsylvania.

  1. 01Philadelphia County2025 population estimate 1,574,281
  2. 02Allegheny County2025 population estimate 1,225,035
  3. 03Montgomery County2025 population estimate 877,643
  4. 04Bucks County2025 population estimate 647,828
  5. 05Delaware County2025 population estimate 580,937
  6. 06Lancaster County2025 population estimate 563,159
  7. 07Chester County2025 population estimate 557,116
  8. 08York County2025 population estimate 473,197
  9. 09Berks County2025 population estimate 440,072
  10. 10Lehigh County2025 population estimate 384,383
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