County · GEOID 30029
Flathead County, MT ZIP codes
16 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Flathead County (GEOID 30029). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 112,723 (16 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Flathead County
Population overlap
Share of each ZIP/ZCTA’s population located within Flathead County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 598451.6%
- 59901100.0%
Directory county
- 5991167.4%
Directory county
- 59912100.0%
Directory county
- 59913100.0%
Directory county
- 59916100.0%
Directory county
- 59919100.0%
Directory county
- 59920100.0%
Directory county
- 5992297.4%
Directory county
- 59925100.0%
Directory county
- 59926100.0%
Directory county
- 59927100.0%
Directory county
- 59928100.0%
Directory county
- 59932100.0%
Directory county
- 59936100.0%
Directory county
- 59937100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Flathead County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59845 | Hot Springs | Sanders County | 1,228 | $31,458 |
| 59901 | Kalispell | Flathead County | 61,710 | $70,391 |
| 59911 | Bigfork | Flathead County | 9,316 | $81,846 |
| 59912 | Columbia Falls | Flathead County | 15,745 | $73,515 |
| 59913 | Coram | Flathead County | 543 | $40,481 |
| 59916 | Essex | Flathead County | 168 | $60,313 |
| 59919 | Hungry Horse | Flathead County | 663 | — |
| 59920 | Kila | Flathead County | 1,635 | $83,300 |
| 59922 | Lakeside | Flathead County | 2,617 | $79,608 |
| 59925 | Marion | Flathead County | 1,561 | $61,065 |
| 59926 | Martin City | Flathead County | 250 | — |
| 59927 | Olney | Flathead County | 295 | $58,750 |
| 59928 | Polebridge | Flathead County | 130 | $53,542 |
| 59932 | Somers | Flathead County | 1,530 | $57,325 |
| 59936 | West Glacier | Flathead County | 679 | $87,031 |
| 59937 | Whitefish | Flathead County | 14,653 | $75,512 |
USPS associates these ZIPs with Flathead County
These codes list Flathead County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59903 | Kalispell | Flathead County | 2,778 | — |
| 59904 | Kalispell | Flathead County | 2,832 | — |
| 59921 | Lake Mc Donald | Flathead County | — | — |