Residential delivery area · Montana
ZIP Code 59821: Arlee, MT
ZIP code 59821 uses the postal name Arlee, Montana and lies mostly in Missoula County (44% of its land), reaching into Lake County and Sanders County (Census 2020 ZIP-county file). About 3,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $66,458 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Evaro (4%) and Arlee (2%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Arlee · its only residential ZIP
- County
- Missoula County (44%); Lake County (37%); Sanders County (19%)
- Census places
- Evaro (4%) census-designated place; Arlee (2%) census-designated place
- Metro area
- Missoula, MT
- House district
- MT-1 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 319.6 sq mi · 9 people per sq mi
Where is ZIP code 59821?
59821 centers on 47.209°, -114.022° and covers 319.6 square miles of land plus 0.9 of water. It borders 9 ZIP codes: 59865, 59863, 59834, 59831, 59808, 59868, 59826, 59846, 59823.
The map draws ZIP code areas only. For the streets inside 59821, 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 59821 compare with the rest of Missoula County?
| Measure | 59821 | In Missoula County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 2,994 | 8th of 17 | 67th of 369 |
| Median household income | $67k | 12th of 14 | 59th of 104 |
| Median home value | $375k | 11th of 13 | 50th of 120 |
Its median household income is higher than in 41% of U.S. residential ZIP codes, and it is denser than 16% 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 59821?
The 2020 Census counted 2,563 people in 59821; the ACS, which samples households over 2020-2024, estimates 2,994. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,994±334 (90% margin)
- 2020 Census count
- 2,563
- Households
- 999
- Median age
- 39.0
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 59821?
Of the 2,994 people the ACS estimates in 59821, 26.0% are under 18 and 19.5% are 65 or older. The largest group by race and Hispanic origin is Other or two or more (45.4%), then White (not Hispanic) (45.0%).
- Under 1826.0%
- 18 to 6454.5%
- 65 and older19.5%
- Other or two or more45.4%
- White, not Hispanic45.0%
- Hispanic or Latino9.1%
- 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 59821 earn?
Median household income is $66,458 (ACS 2020-2024), the 12th highest of the 14 ranked ZIP codes in Missoula County.
- Median household income
- $66,458±$10,573
- Income per person
- $30,589
- Below the poverty line
- 16.0%
- Unemployed (of the labor force)
- 7.4%
- Adults 25+ with a bachelor's degree
- 24.9%
- Adjusted gross income per tax return, 2022
- $60,4381,160 returns; wages 69% 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 59821?
FHFA's house price index for 59821, built from repeat sales and appraisals of the same homes, rose 131% from 2015 to 2025 and rose 75% from 2020 to 2025, and moved +10.7% in 2025.
- Median home value (owners' estimate)
- $375,200
- Median gross rent
- $967
- Homes owned by their occupants
- 75.8%
- Housing units
- 1,136
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 59821?
42 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction11
- Retail trade7
- Professional, scientific, and technical services4
- Other services (except public administration)3
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 59821?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59865 | Saint Ignatius | 3,635 | $57k | 8.6 mi |
| 59863 | Ravalli | 146 | $79k | 9.8 mi |
| 59834 | Frenchtown | 2,444 | $94k | 13.0 mi |
| 59831 | Dixon | 544 | $46k | 16.6 mi |
| 59808 | Missoula | 23,574 | $80k | 17.4 mi |
| 59868 | Seeley Lake | 1,797 | $52k | 22.6 mi |
| 59826 | Condon | 518 | $53k | 23.0 mi |
| 59846 | Huson | 1,377 | $71k | 23.4 mi |
| 59823 | Bonner | 1,931 | $83k | 25.8 mi |
| 59824 | Charlo | 1,526 | $53k | 16.6 mi (near) |
| 59802 | Missoula | 19,864 | $68k | 21.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.