39 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 19320 | Coatesville | 55,671 |
| 19382 | West Chester | 53,035 |
| 19335 | Downingtown | 52,524 |
| 19380 | West Chester | 50,093 |
| 19460 | Phoenixville | 43,927 |
| 19087 | Wayne | 33,770 |
| 19355 | Malvern | 28,650 |
| 19348 | Kennett Square | 23,435 |
| 19341 | Exton | 20,660 |
| 19465 | Pottstown | 18,309 |
| 19363 | Oxford | 17,929 |
| 19425 | Chester Springs | 17,071 |
| 19344 | Honey Brook | 12,910 |
| 19475 | Spring City | 12,382 |
| 19311 | Avondale | 12,262 |
| 19390 | West Grove | 12,049 |
| 19312 | Berwyn | 11,901 |
| 19352 | Lincoln University | 11,689 |
| 19317 | Chadds Ford | 10,844 |
| 19350 | Landenberg | 10,401 |
| 19343 | Glenmoore | 8,595 |
| 19301 | Paoli | 8,319 |
| 19333 | Devon | 7,616 |
| 19365 | Parkesburg | 7,477 |
| 19520 | Elverson | 6,324 |
| 19362 | Nottingham | 6,181 |
| 19383 | West Chester | 5,892 |
| 19330 | Cochranville | 5,678 |
| 19310 | Atglen | 3,035 |
| 19372 | Thorndale | 2,294 |
| 19345 | Immaculata | 751 |
| 19374 | Toughkenamon | 732 |
| 19375 | Unionville | 272 |
| 19369 | Sadsburyville | 186 |
| 19358 | Modena | 182 |
| 19367 | Pomeroy | 170 |
| 19316 | Brandamore | 68 |
| 19457 | Parker Ford | 62 |
| 19442 | Kimberton | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 39 ZCTAs in Chester County, Pennsylvania (US Census).