39 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 19082 | Upper Darby | 41,541 |
| 19063 | Media | 38,172 |
| 19083 | Havertown | 37,590 |
| 19013 | Chester | 35,064 |
| 19026 | Drexel Hill | 32,725 |
| 19050 | Lansdowne | 29,373 |
| 19064 | Springfield | 25,277 |
| 19018 | Clifton Heights | 23,505 |
| 19023 | Darby | 22,247 |
| 19073 | Newtown Square | 21,915 |
| 19010 | Bryn Mawr | 21,827 |
| 19014 | Aston | 21,427 |
| 19342 | Glen Mills | 20,770 |
| 19008 | Broomall | 20,697 |
| 19061 | Marcus Hook | 19,896 |
| 19015 | Brookhaven | 16,464 |
| 19003 | Ardmore | 14,255 |
| 19036 | Glenolden | 13,668 |
| 19086 | Wallingford | 12,930 |
| 19078 | Ridley Park | 11,683 |
| 19060 | Garnet Valley | 11,524 |
| 19085 | Villanova | 11,230 |
| 19081 | Swarthmore | 10,089 |
| 19079 | Sharon Hill | 8,745 |
| 19033 | Folsom | 8,261 |
| 19032 | Folcroft | 6,772 |
| 19076 | Prospect Park | 6,441 |
| 19070 | Morton | 6,359 |
| 19041 | Haverford | 6,308 |
| 19074 | Norwood | 5,934 |
| 19022 | Crum Lynne | 4,482 |
| 19029 | Essington | 3,980 |
| 19094 | Woodlyn | 3,929 |
| 19043 | Holmes | 3,317 |
| 19373 | Thornton | 2,357 |
| 19319 | Cheyney | 792 |
| 19052 | Lenni | 631 |
| 19017 | Chester Heights | 355 |
| 19113 | Philadelphia | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 39 ZCTAs in Delaware County, Pennsylvania (US Census).