28 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 16652 | Huntingdon | 15,858 |
| 17066 | Mount Union | 5,131 |
| 16611 | Alexandria | 2,694 |
| 17264 | Three Springs | 2,299 |
| 16669 | Petersburg | 2,104 |
| 16654 | Huntingdon | 1,935 |
| 17052 | Mapleton Depot | 1,540 |
| 16657 | James Creek | 1,262 |
| 17060 | Mill Creek | 1,182 |
| 17243 | Orbisonia | 1,156 |
| 17260 | Shirleysburg | 1,097 |
| 17255 | Shade Gap | 1,034 |
| 16647 | Hesston | 836 |
| 16621 | Broad Top | 607 |
| 17213 | Blairs Mills | 576 |
| 16674 | Robertsdale | 572 |
| 17002 | Allensville | 505 |
| 16623 | Cassville | 458 |
| 17253 | Saltillo | 453 |
| 17249 | Rockhill Furnace | 380 |
| 16683 | Spruce Creek | 346 |
| 16685 | Todd | 330 |
| 16694 | Wood | 325 |
| 16634 | Dudley | 296 |
| 17239 | Neelyton | 230 |
| 17215 | Burnt Cabins | 121 |
| 16622 | Calvin | 95 |
| 16638 | Entriken | 65 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 28 ZCTAs in Huntingdon County, Pennsylvania (US Census).