Census place · GEOID 3035631 · Lewis and Clark County
Helena Valley Northwest, MT ZIP codes
1 ZIP/ZCTA intersecting this Census place (CDP) in Lewis and Clark County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Helena Valley Northwest (GEOID 3035631). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 30,379 (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 Helena Valley Northwest, MT

ZIP/ZCTA overlap with Helena Valley Northwest
Population overlap
Share of each ZIP/ZCTA’s population located within Helena Valley Northwest, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5960216.0%
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 Helena Valley Northwest
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59602 | Helena | Lewis and Clark County | 30,379 | $87,841 |