Census place · GEOID 1613780 · Custer County
Challis, ID ZIP codes
1 ZIP/ZCTA intersecting this Census place in Custer County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Challis (GEOID 1613780). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 2,149 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Challis, ID

ZIP/ZCTA overlap with Challis
Population overlap
Share of each ZIP/ZCTA’s population located within Challis, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 8322639.3%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Challis
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 83226 | Challis | Custer County | 2,149 | $50,980 |
USPS associates these ZIPs with Challis
These codes list Challis as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 83229 | Cobalt | Lemhi County | — | — |