19 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 16701 | Bradford | 16,584 |
| 16735 | Kane | 6,465 |
| 16743 | Port Allegany | 3,960 |
| 16749 | Smethport | 3,691 |
| 16731 | Eldred | 2,397 |
| 16738 | Lewis Run | 2,018 |
| 16740 | Mount Jewett | 823 |
| 16729 | Duke Center | 708 |
| 16726 | Cyclone | 697 |
| 16745 | Rixford | 685 |
| 16750 | Turtlepoint | 463 |
| 16732 | Gifford | 253 |
| 16727 | Derrick City | 227 |
| 16733 | Hazel Hurst | 204 |
| 16333 | Ludlow | 191 |
| 16744 | Rew | 183 |
| 16725 | Custer City | 140 |
| 16724 | Crosby | 73 |
| 16730 | East Smethport | 38 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 19 ZCTAs in McKean County, Pennsylvania (US Census).