42 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 17331 | Hanover | 56,443 |
| 17403 | York | 40,287 |
| 17404 | York | 39,374 |
| 17402 | York | 37,466 |
| 17315 | Dover | 25,760 |
| 17408 | York | 25,431 |
| 17406 | York | 23,636 |
| 17356 | Red Lion | 22,869 |
| 17019 | Dillsburg | 19,594 |
| 17401 | York | 18,570 |
| 17070 | New Cumberland | 16,830 |
| 17362 | Spring Grove | 14,730 |
| 17313 | Dallastown | 11,428 |
| 17319 | Etters | 11,292 |
| 17363 | Stewartstown | 8,553 |
| 17349 | New Freedom | 8,254 |
| 17327 | Glen Rock | 7,828 |
| 17345 | Manchester | 7,715 |
| 17370 | York Haven | 7,090 |
| 17368 | Wrightsville | 7,005 |
| 17314 | Delta | 6,640 |
| 17322 | Felton | 6,473 |
| 17347 | Mount Wolf | 6,393 |
| 17366 | Windsor | 6,392 |
| 17339 | Lewisberry | 6,281 |
| 17361 | Shrewsbury | 6,156 |
| 17360 | Seven Valleys | 5,735 |
| 17364 | Thomasville | 4,209 |
| 17329 | Glenville | 2,999 |
| 17365 | Wellsville | 2,897 |
| 17302 | Airville | 2,834 |
| 17407 | York | 2,673 |
| 17321 | Fawn Grove | 2,419 |
| 17309 | Brogue | 1,393 |
| 17352 | New Park | 1,288 |
| 17342 | Loganville | 563 |
| 17317 | East Prospect | 466 |
| 17371 | York New Salem | 375 |
| 17355 | Railroad | 322 |
| 17318 | Emigsville | 230 |
| 17311 | Codorus | 127 |
| 17323 | Franklintown | 83 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 42 ZCTAs in York County, Pennsylvania (US Census).