County · Montana · United States
Cascade County ZIP codes
15 ZIP codes · 13 cities · FIPS 30013
Key facts
- State
- Montana (MT)
- FIPS code
- 30013
- Population
- 84,601
- Median household income
- $66,203
- Median age
- 38.3
- Land area
- 2,698.2 sq mi (6,988.3 km²)
- Population density
- 31 / sq mi
- Area codes
- 406
Cities and ZIP codes in Cascade County (13)
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.