All Zip Codes in United States
| Zip Codes | Population | State | Rank |
|---|
| 19504 zip code | 4,998 | Pennsylvania | 1 |
| 19102 zip code | 4,705 | Pennsylvania | 2 |
| 19031 zip code | 4,700 | Pennsylvania | 3 |
| 19539 zip code | 4,597 | Pennsylvania | 4 |
| 19946 zip code | 4,420 | Delaware | 5 |
| 19094 zip code | 4,406 | Pennsylvania | 6 |
| 19541 zip code | 4,403 | Pennsylvania | 7 |
| 19953 zip code | 4,386 | Delaware | 8 |
| 19373 zip code | 4,273 | Pennsylvania | 9 |
| 19547 zip code | 4,222 | Pennsylvania | 10 |
| 19029 zip code | 3,971 | Pennsylvania | 11 |
| 19035 zip code | 3,780 | Pennsylvania | 12 |
| 19717 zip code | 3,770 | Delaware | 13 |
| 19022 zip code | 3,669 | Pennsylvania | 14 |
| 19555 zip code | 3,406 | Pennsylvania | 15 |
| 19507 zip code | 3,280 | Pennsylvania | 16 |
| 19505 zip code | 3,226 | Pennsylvania | 17 |
| 19383 zip code | 3,169 | Pennsylvania | 18 |
| 19529 zip code | 3,131 | Pennsylvania | 19 |
| 19310 zip code | 3,066 | Pennsylvania | 20 |
| 19930 zip code | 2,768 | Delaware | 21 |
| 19043 zip code | 2,664 | Pennsylvania | 22 |
| 19562 zip code | 2,622 | Pennsylvania | 23 |
| 19941 zip code | 2,522 | Delaware | 24 |
| 19534 zip code | 2,041 | Pennsylvania | 25 |
| 19706 zip code | 1,822 | Delaware | 26 |
| 19951 zip code | 1,733 | Delaware | 27 |
| 19716 zip code | 1,568 | Delaware | 28 |
| 19453 zip code | 1,483 | Pennsylvania | 29 |
| 19954 zip code | 1,464 | Delaware | 30 |
| 19372 zip code | 1,360 | Pennsylvania | 31 |
| 19964 zip code | 1,340 | Delaware | 32 |
| 19374 zip code | 1,252 | Pennsylvania | 33 |
| 19503 zip code | 1,142 | Pennsylvania | 34 |
| 19319 zip code | 1,130 | Pennsylvania | 35 |
| 19501 zip code | 1,047 | Pennsylvania | 36 |