9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 83467 | Salmon | 6,817 |
| 83462 | Carmen | 388 |
| 83464 | Leadore | 308 |
| 83468 | Tendoy | 175 |
| 83253 | May | 84 |
| 83466 | North Fork | 80 |
| 83465 | Lemhi | 64 |
| 83463 | Gibbonsville | 49 |
| 83469 | Shoup | 34 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Lemhi County, Idaho (US Census).