Census place · GEOID 3023125 · Lewis and Clark County
East Helena, MT ZIP codes
2 ZIP/ZCTAs intersecting this Census place in Lewis and Clark County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place East Helena (GEOID 3023125). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 40,204 (2 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 East Helena, MT

ZIP/ZCTA overlap with East Helena
Population overlap
Share of each ZIP/ZCTA’s population located within East Helena, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
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 East Helena
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59601 | Helena | Lewis and Clark County | 31,822 | $70,502 |
| 59635 | East Helena | Lewis and Clark County | 8,382 | $73,664 |