Residential delivery area · Montana
ZIP Code 59912: Columbia Falls, MT
ZIP code 59912 uses the postal name Columbia Falls, Montana and lies entirely in Flathead County (Census 2020 ZIP-county file). About 16,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,617 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Columbia Falls; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Columbia Falls · its only residential ZIP
- County
- Flathead County
- Census places
- Columbia Falls
- Micro area
- Kalispell, MT
- House district
- MT-1 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 188.9 sq mi · 83 people per sq mi
Where is ZIP code 59912?
59912 centers on 48.437°, -114.169° and covers 188.9 square miles of land plus 3.3 of water. It borders 6 ZIP codes: 59919, 59913, 59937, 59901, 59928, 59936.
The map draws ZIP code areas only. For the streets inside 59912, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 59912 compare with the rest of Flathead County?
| Measure | 59912 | In Flathead County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 15,752 | 2nd of 16 | 18th of 369 |
| Median household income | $77k | 3rd of 7 | 41st of 104 |
| Median home value | $489k | 4th of 7 | 21st of 120 |
Its median household income is higher than in 57% of U.S. residential ZIP codes, and it is denser than 51% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 59912?
The 2020 Census counted 15,395 people in 59912; the ACS, which samples households over 2020-2024, estimates 15,752. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 15,752
- 2020 Census count
- 15,395
- Households
- 5,995
- Median age
- 39.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 59912?
Of the 15,752 people the ACS estimates in 59912, 23.5% are under 18 and 18.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.4%).
- Under 1823.5%
- 18 to 6458.4%
- 65 and older18.2%
- White, not Hispanic93.4%
- Other or two or more4.7%
- Hispanic or Latino1.2%
- Asian, not Hispanic0.7%
- Black, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 59912 earn?
Median household income is $76,617 (ACS 2020-2024), the 3rd highest of the 7 ranked ZIP codes in Flathead County.
- Median household income
- $76,617
- Income per person
- $36,278
- Below the poverty line
- 9.7%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 33.7%
- Adjusted gross income per tax return, 2022
- $71,2077,890 returns; wages 63% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 59912?
FHFA's house price index for 59912, built from repeat sales and appraisals of the same homes, rose 155% from 2015 to 2025 and rose 81% from 2020 to 2025, and moved +0.9% in 2025.
- Median home value (owners' estimate)
- $488,800
- Median gross rent
- $1,090
- Homes owned by their occupants
- 72.0%
- Housing units
- 6,887
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 59912?
595 business establishments had a location in this ZIP code in 2023, 136 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction152
- Retail trade62
- Administrative and support and waste management and remediation services50
- Accommodation and food services48
- Other services (except public administration)47
- Professional, scientific, and technical services43
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 59912?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59919 | Hungry Horse | 679 | $53k | 6.6 mi |
| 59913 | Coram | 582 | $45k | 9.6 mi |
| 59937 | Whitefish | 15,114 | $75k | 15.1 mi |
| 59901 | Kalispell | 63,161 | $73k | 17.9 mi |
| 59928 | Polebridge | 86 | $63k | 25.5 mi |
| 59936 | West Glacier | 690 | $86k | 36.2 mi |
| 59926 | Martin City | 268 | $71k | 9.9 mi (near) |
| 59916 | Essex | 232 | $60k | 25.2 mi (near) |
| 59927 | Olney | 270 | $59k | 26.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.