Most populous ZIP codes in Pennsylvania
Top 25 most populous ZIP codes in Pennsylvania. #1 is 19124 (Philadelphia) with about 70,763 residents. Compare population, income, and housing on US5.
These ZIP codes have the largest populations in Pennsylvania. Population totals are aggregated from published ZIP-area Census estimates on US5.
The largest codes are 19124 (Philadelphia) with about 70,763 residents; 19120 (Philadelphia) with about 68,078 residents; 17603 (Lancaster) with about 66,788 residents.
Open any ZIP for a full demographics, income, and housing profile, or return to the Pennsylvania state page for the complete ZIP table.
Ranked ZIP codes
| # | ZIP | City | County | Population | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 19124 | Philadelphia | Philadelphia County | 70,763 | 70,763 | $46,100 | $155,000 |
| 2 | 19120 | Philadelphia | Philadelphia County | 68,078 | 68,078 | $51,993 | $143,500 |
| 3 | 17603 | Lancaster | Lancaster County | 66,788 | 66,788 | $77,156 | $244,500 |
| 4 | 19111 | Philadelphia | Philadelphia County | 65,821 | 65,821 | $60,441 | $244,000 |
| 5 | 19143 | Philadelphia | Philadelphia County | 62,503 | 62,503 | $47,964 | $152,000 |
| 6 | 19446 | Lansdale | Montgomery County | 61,608 | 61,608 | $103,875 | $415,400 |
| 7 | 19149 | Philadelphia | Philadelphia County | 57,226 | 57,226 | $54,679 | $198,200 |
| 8 | 19020 | Eddington | Bucks County | 57,079 | 57,079 | $80,158 | $344,400 |
| 9 | 19134 | Philadelphia | Philadelphia County | 56,750 | 56,750 | $41,849 | $127,500 |
| 10 | 17601 | Lancaster | Lancaster County | 56,348 | 56,348 | $96,433 | $324,000 |
| 11 | 19320 | Coatesville | Chester County | 55,671 | 55,671 | $88,852 | $302,700 |
| 12 | 15601 | Greensburg | Westmoreland County | 55,670 | 55,670 | $75,369 | $209,400 |
| 13 | 17331 | Hanover | York County | 55,374 | 55,374 | $76,661 | $228,700 |
| 14 | 19104 | Philadelphia | Philadelphia County | 54,454 | 54,454 | $39,526 | $268,200 |
| 15 | 19140 | Philadelphia | Philadelphia County | 54,196 | 54,196 | $33,149 | $101,100 |
| 16 | 19067 | Morrisville | Bucks County | 53,596 | 53,596 | $131,604 | $483,000 |
| 17 | 19382 | West Chester | Chester County | 53,035 | 53,035 | $126,159 | $542,400 |
| 18 | 19335 | Downingtown | Chester County | 52,524 | 52,524 | $136,839 | $464,400 |
| 19 | 17602 | Lancaster | Lancaster County | 51,461 | 51,461 | $71,752 | $250,600 |
| 20 | 18102 | Allentown | Lehigh County | 51,315 | 51,315 | $40,681 | $146,600 |
| 21 | 19148 | Philadelphia | Philadelphia County | 50,777 | 50,777 | $80,469 | $296,800 |
| 22 | 15301 | Washington | Washington County | 50,180 | 50,180 | $69,275 | $205,800 |
| 23 | 19380 | West Chester | Chester County | 50,093 | 50,093 | $122,876 | $530,400 |
| 24 | 19144 | Philadelphia | Philadelphia County | 48,542 | 48,542 | $45,727 | $224,600 |
| 25 | 19464 | Pottstown | Montgomery County | 48,084 | 48,084 | $76,338 | $231,700 |
Frequently asked questions
What are the most populous ZIP codes in Pennsylvania?
The largest ZIP on this board is 19124 (Philadelphia) with about 70,763 residents. See the ranked table for the full top 25.
How does US5 rank ZIP codes in Pennsylvania?
We rank indexable ZIP codes by population from high to low.
Where can I explore all ZIP codes in Pennsylvania?
Visit the Pennsylvania state page for the full ZIP table, demographics summary, and sortable income/housing columns.