Lemhi County, Idaho ZIP codes
10 ZIP codes are in Lemhi County, plus 2 that cross in from neighboring counties.
- ZIP codes
- 10
- Population in these ZIPs
- 8,248
- Avg. median income
- $54,400population-weighted
- Cities & towns
- 10
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ZIP codes in Lemhi County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83229 PO Box | Cobalt | — | — | — |
| 83253 | May | 112 | — | — |
| 83462 | Carmen | 667 | — | $627,800 |
| 83463 | Gibbonsville | 66 | $58,000 | $327,600 |
| 83464 | Leadore | 296 | $40,625 | $216,200 |
| 83465 | Lemhi | 104 | $64,464 | $425,000 |
| 83466 | North Fork | 197 | — | $503,200 |
| 83467 | Salmon | 6,590 | $53,917 | $359,400 |
| 83468 | Tendoy | 191 | $85,250 | $364,300 |
| 83469 | Shoup | 25 | — | — |
ZIP codes partly in Lemhi County
These ZIP codes are mostly in a neighboring county but cover part of Lemhi County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 83226 | Challis | Custer County | 2,100 | $36,458 | $341,700 |
| 83235 | Ellis | Custer County | 1 | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Lemhi County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lemhi County, Idaho?
10 ZIP codes are mainly in Lemhi County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lemhi County?
ZIP codes in Lemhi County use the city names Carmen, Cobalt, Gibbonsville, Leadore, Lemhi, May, North Fork, Salmon, Shoup and Tendoy.