42 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17331 | Hanover | 55,374 |
| 17403 | York | 40,272 |
| 17404 | York | 38,973 |
| 17402 | York | 37,074 |
| 17315 | Dover | 26,434 |
| 17408 | York | 24,670 |
| 17406 | York | 24,181 |
| 17356 | Red Lion | 22,457 |
| 17019 | Dillsburg | 19,294 |
| 17401 | York | 18,102 |
| 17070 | New Cumberland | 16,891 |
| 17362 | Spring Grove | 14,020 |
| 17313 | Dallastown | 11,263 |
| 17319 | Etters | 10,990 |
| 17363 | Stewartstown | 8,460 |
| 17327 | Glen Rock | 8,228 |
| 17345 | Manchester | 8,106 |
| 17349 | New Freedom | 7,938 |
| 17370 | York Haven | 6,970 |
| 17368 | Wrightsville | 6,768 |
| 17314 | Delta | 6,431 |
| 17339 | Lewisberry | 6,389 |
| 17366 | Windsor | 6,350 |
| 17322 | Felton | 6,292 |
| 17361 | Shrewsbury | 6,262 |
| 17347 | Mount Wolf | 6,186 |
| 17360 | Seven Valleys | 6,152 |
| 17364 | Thomasville | 3,963 |
| 17329 | Glenville | 3,229 |
| 17365 | Wellsville | 2,755 |
| 17407 | York | 2,684 |
| 17302 | Airville | 2,641 |
| 17321 | Fawn Grove | 2,346 |
| 17309 | Brogue | 1,953 |
| 17352 | New Park | 1,397 |
| 17317 | East Prospect | 443 |
| 17342 | Loganville | 432 |
| 17371 | York New Salem | 319 |
| 17355 | Railroad | 286 |
| 17311 | Codorus | 152 |
| 17318 | Emigsville | 120 |
| 17323 | Franklintown | 85 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 42 ZCTAs in York County, Pennsylvania (US Census).