42 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17331 | Hanover | 54,942 |
| 17403 | York | 40,014 |
| 17404 | York | 38,849 |
| 17402 | York | 37,867 |
| 17315 | Dover | 26,613 |
| 17408 | York | 23,846 |
| 17406 | York | 23,643 |
| 17356 | Red Lion | 22,623 |
| 17019 | Dillsburg | 19,153 |
| 17401 | York | 18,044 |
| 17070 | New Cumberland | 16,626 |
| 17362 | Spring Grove | 14,165 |
| 17313 | Dallastown | 11,223 |
| 17319 | Etters | 10,928 |
| 17363 | Stewartstown | 8,807 |
| 17345 | Manchester | 8,303 |
| 17349 | New Freedom | 7,995 |
| 17327 | Glen Rock | 7,792 |
| 17339 | Lewisberry | 6,842 |
| 17368 | Wrightsville | 6,453 |
| 17347 | Mount Wolf | 6,432 |
| 17314 | Delta | 6,386 |
| 17360 | Seven Valleys | 6,170 |
| 17366 | Windsor | 6,169 |
| 17322 | Felton | 6,161 |
| 17361 | Shrewsbury | 6,158 |
| 17370 | York Haven | 6,079 |
| 17364 | Thomasville | 3,693 |
| 17329 | Glenville | 3,322 |
| 17407 | York | 2,654 |
| 17365 | Wellsville | 2,472 |
| 17302 | Airville | 2,386 |
| 17321 | Fawn Grove | 2,368 |
| 17309 | Brogue | 1,968 |
| 17352 | New Park | 1,460 |
| 17342 | Loganville | 644 |
| 17317 | East Prospect | 458 |
| 17371 | York New Salem | 369 |
| 17318 | Emigsville | 325 |
| 17355 | Railroad | 321 |
| 17311 | Codorus | 161 |
| 17323 | Franklintown | 81 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 42 ZCTAs in York County, Pennsylvania (US Census).