Residential delivery area · Montana
ZIP Code 59911: Bigfork, MT
ZIP code 59911 uses the postal name Bigfork, Montana and lies mostly in Lake County (86% of its land) with the rest in Flathead County (Census 2020 ZIP-county file). About 9,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,019 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Bigfork (6%), Swan Lake (2%), Bear Dance (under 1%) and Woods Bay (under 1%); 91% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bigfork · its only residential ZIP
- County
- Lake County (86%); Flathead County (14%)
- Census places
- Bigfork (6%) census-designated place; Swan Lake (2%) census-designated place; Bear Dance (under 1%) census-designated place; Woods Bay (under 1%) census-designated place
- House district
- MT-1 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 491.7 sq mi · 19 people per sq mi
Where is ZIP code 59911?
59911 centers on 47.864°, -113.885° and covers 491.7 square miles of land plus 65.3 of water. It borders 8 ZIP codes: 59910, 59860, 59931, 59922, 59932, 59864, 59826, 59901.
The map draws ZIP code areas only. For the streets inside 59911, 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 59911 compare with the rest of Lake County?
| Measure | 59911 | In Lake County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 9,493 | 2nd of 15 | 30th of 369 |
| Median household income | $83k | 1st of 7 | 27th of 104 |
| Median home value | $666k | 1st of 7 | 5th of 120 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 25% 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 59911?
The 2020 Census counted 8,722 people in 59911; the ACS, which samples households over 2020-2024, estimates 9,493. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 9,493
- 2020 Census count
- 8,722
- Households
- 4,077
- Median age
- 55.6
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 59911?
Of the 9,493 people the ACS estimates in 59911, 14.3% are under 18 and 31.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.7%).
- Under 1814.3%
- 18 to 6453.9%
- 65 and older31.9%
- White, not Hispanic87.7%
- Other or two or more6.2%
- Hispanic or Latino5.7%
- Asian, not Hispanic0.3%
- Black, not Hispanic0.2%
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 59911 earn?
Median household income is $83,019 (ACS 2020-2024), the highest of the 7 ranked ZIP codes in Lake County.
- Median household income
- $83,019±$8,353
- Income per person
- $50,211
- Below the poverty line
- 7.2%
- Unemployed (of the labor force)
- 2.3%
- Adults 25+ with a bachelor's degree
- 51.2%
- Adjusted gross income per tax return, 2022
- $121,8854,840 returns; wages 37% 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 59911?
FHFA's house price index for 59911, built from repeat sales and appraisals of the same homes, rose 155% from 2015 to 2025 and rose 91% from 2020 to 2025, and moved +18.3% in 2025.
- Median home value (owners' estimate)
- $666,400
- Median gross rent
- $1,114
- Homes owned by their occupants
- 84.0%
- Housing units
- 5,729
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 59911?
431 business establishments had a location in this ZIP code in 2023, 57 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction96
- Accommodation and food services46
- Professional, scientific, and technical services43
- Retail trade41
- Real estate and rental and leasing41
- Administrative and support and waste management and remediation services30
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 59911?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59910 | Big Arm | 692 | $100k | 16.5 mi |
| 59860 | Polson | 11,897 | $62k | 17.4 mi |
| 59931 | Rollins | 335 | $112k | 17.6 mi |
| 59922 | Lakeside | 2,337 | $87k | 18.3 mi |
| 59932 | Somers | 1,850 | $60k | 21.0 mi |
| 59864 | Ronan | 7,301 | $62k | 25.4 mi |
| 59826 | Condon | 518 | $53k | 29.0 mi |
| 59901 | Kalispell | 63,161 | $73k | 34.9 mi |
| 59914 | Dayton | 345 | $84k | 19.4 mi (near) |
| 59855 | Pablo | 419 | $33k | 21.2 mi (near) |
| 59929 | Proctor | 230 | $101k | 24.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.