County · Montana · United States
Flathead County ZIP codes
15 ZIP codes · 15 cities · FIPS 30029
Key facts
- State
- Montana (MT)
- FIPS code
- 30029
- Population
- 108,445
- Median household income
- $71,327
- Median age
- 42.1
- Land area
- 5,087.2 sq mi (13,175.8 km²)
- Population density
- 21 / sq mi
- Area codes
- 406
Cities and ZIP codes in Flathead County (15)
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.