County · Montana · United States
Lewis and Clark County ZIP codes
11 ZIP codes · 8 cities · FIPS 30049
Key facts
- State
- Montana (MT)
- FIPS code
- 30049
- Population
- 72,580
- Median household income
- $74,543
- Median age
- 41.3
- Land area
- 3,458.4 sq mi (8,957.2 km²)
- Population density
- 21 / sq mi
- Area codes
- 406
Cities and ZIP codes in Lewis and Clark County (8)
| City | ZIP codes |
|---|---|
| Helena | 59601, 59602, 59623, 59625 |
| Augusta | 59410 |
| Canyon Creek | 59633 |
| East Helena | 59635 |
| Fort Harrison | 59636 |
| Lincoln | 59639 |
| Marysville | 59640 |
| Wolf Creek | 59648 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.