| Zip Code | City | Population ↓ |
|---|---|---|
| 83530 | Grangeville | 5,840 |
| 83536 | Kamiah | 4,338 |
| 83522 | Cottonwood | 2,595 |
| 83539 | Kooskia | 2,240 |
| 83552 | Stites | 810 |
| 83549 | Riggins | 665 |
| 83525 | Elk City | 377 |
| 83554 | White Bird | 351 |
| 83547 | Pollock | 282 |
| 83526 | Ferdinand | 273 |
| 83533 | Greencreek | 219 |
| 83542 | Lucile | 132 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Idaho County, Idaho (US Census).