ZIP code ranking · PA
Most Populous ZIP Codes in PA
The top 25 ZIP codes ranked by population in PA. The ranking pulls from the latest available data; ZIPs with implausible or incomplete data are excluded.
| Rank | ZIP | Where | Population |
|---|---|---|---|
| 1 | 19124 | Philadelphia, PA· Philadelphia County | 71,004 |
| 2 | 17603 | Lancaster, PA· Lancaster County | 67,571 |
| 3 | 19120 | Philadelphia, PA· Philadelphia County | 66,469 |
| 4 | 19111 | Philadelphia, PA· Philadelphia County | 66,283 |
| 5 | 19143 | Philadelphia, PA· Philadelphia County | 62,572 |
| 6 | 19446 | Lansdale, PA· Montgomery County | 61,848 |
| 7 | 19149 | Philadelphia, PA· Philadelphia County | 56,914 |
| 8 | 19020 | Eddington CDP, PA· Bucks County | 56,809 |
| 9 | 17331 | Hanover, PA· York County | 56,443 |
| 10 | 15601 | Greensburg, PA· Westmoreland County | 56,425 |
| 11 | 17601 | Lancaster, PA· Lancaster County | 56,382 |
| 12 | 19320 | Coatesville, PA· Chester County | 55,941 |
| 13 | 19104 | Philadelphia, PA· Philadelphia County | 55,172 |
| 14 | 19382 | West Chester, PA· Chester County | 54,127 |
| 15 | 19067 | Morrisville, PA· Bucks County | 53,885 |
| 16 | 19335 | Downingtown, PA· Chester County | 53,629 |
| 17 | 19134 | Philadelphia, PA· Philadelphia County | 53,594 |
| 18 | 19140 | Philadelphia, PA· Philadelphia County | 53,385 |
| 19 | 17602 | Lancaster, PA· Lancaster County | 52,217 |
| 20 | 18102 | Allentown, PA· Lehigh County | 51,001 |
| 21 | 19144 | Philadelphia, PA· Philadelphia County | 50,580 |
| 22 | 19148 | Philadelphia, PA· Philadelphia County | 50,400 |
| 23 | 15301 | Washington, PA· Washington County | 50,348 |
| 24 | 19380 | West Chester, PA· Chester County | 49,856 |
| 25 | 19464 | Pottstown, PA· Montgomery County | 49,101 |