Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/MT/COUNTY/MISSOULA

Missoula County, MT ZIP codes

There are 16 ZIP codes in Missoula County, MT, in 9 towns, from 59801 to 59868. The largest are 59801 (Missoula), 59808 (Missoula) and 59802 (Missoula). 1 more crosses into it from a neighbouring county: 59825.

The county seat is Missoula.

ZIP codes
16
Partly in it
1 more
Towns
9
County seat
Missoula
County FIPS
30063
State
Montana
Population
120,672
Median household income
$75,598
Land area
2,593 sq mi
Area code
406
Metro area
Missoula

Missoula County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Missoula County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Missoula County.

Map of Missoula County ZIP codes

59801598025980359804598065980759808598125982159823598265983459846598475985159868

The ZIP codes of Missoula County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Missoula County in numbers

About 120,672 people live in Missoula County, in 52,679 households, the 3rd most populous of Montana's 56 counties. The median household income is $75,598 a year, 4% above the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $472,100 (26% above the Montana median), and median gross rent is $1,190 a month. The median age is 37.1; 47.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 18 minutes.

Population120,672Missoula120,672
Households52,679Missoula52,679
Median age37.1Missoula37.1Montana40.4US 38.9
Median household income$75,598Missoula$75,598Montana$72,509US $80,734
Median home value$472,100Missoula$472,100Montana$375,800US $332,700
Median gross rent$1,190Missoula$1,190Montana$1,081US $1,413
Bachelor's degree or higher47.4%Missoula47.4%Montana35.2%US 35.7%
Mean commute18.1 minMissoula18.1 minMontana19.1 minUS 26.4 min
Population density47 / sq miMissoula47 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Missoula County

Largest towns in Missoula County
TownZIP codesPopulation
Missoula 8 76,514
Lolo 1 4,314
Bonner 1 1,931
Frenchtown 1 1,927
Seeley Lake 1 1,496
Arlee 1 812
Condon 1 320
Milltown 1 145
Huson 1 136

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Missoula County.

Not sure you are in Missoula County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Missoula County, with figures

ZIP codes in Missoula County
ZIP City Type Population Median income Median home
59801 Missoula , MT Standard 30,916 $58,347 $442,400
59802 Missoula , MT Standard 19,864 $67,736 $461,700
59803 Missoula , MT Standard 18,401 $111,925 $556,000
59804 Missoula , MT Standard 8,123 $76,266 $588,400
59806 Missoula , MT No street area — — —
59807 Missoula , MT No street area — — —
59808 Missoula , MT Standard 23,574 $80,239 $460,900
59812 Missoula , MT Standard 1,181 — —
59821 Arlee , MT Standard 2,994 $66,458 $375,200
59823 Bonner , MT Standard 1,931 $82,813 $474,100
59826 Condon , MT Standard 518 $52,813 $507,800
59834 Frenchtown , MT Standard 2,444 $94,406 $449,500
59846 Huson , MT Standard 1,377 $70,851 $461,200
59847 Lolo , MT Standard 6,015 $86,620 $449,600
59851 Milltown , MT Standard 145 $18,883 $225,000
59868 Seeley Lake , MT Standard 1,797 $51,490 $391,600

Cite this page

zipcodes.pro. “Missoula County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mt/county/missoula

Underlying data is public domain or openly licensed — sources, vintages and licences.