12 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 83530 | Grangeville | 6,406 |
| 83536 | Kamiah | 4,444 |
| 83522 | Cottonwood | 2,692 |
| 83539 | Kooskia | 2,427 |
| 83552 | Stites | 806 |
| 83549 | Riggins | 587 |
| 83554 | White Bird | 350 |
| 83525 | Elk City | 296 |
| 83526 | Ferdinand | 242 |
| 83547 | Pollock | 241 |
| 83542 | Lucile | 147 |
| 83533 | Greencreek | 121 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Idaho County, Idaho (US Census).