ZIP Codes of Missoula County, MT

Population & People
Population & People
Total Population
118,720
Household Income
Household Income
Median Income
$72,506
Housing
Housing
Total Housing Units
56,000
Business & Economy
Business & Economy
Total Businesses
4,772
Employment
Employment
Employment Rate
67.01%
Education
Education
Bachelor's Degree+
47.71%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 16 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:16 ZIP Codes (12 Standard, 3 PO Box, 1 Unique) [See All]
Area Code:406
Timezone:Mountain (GMT -07:00)
Local Time:2:12:53 PM
Population:118,720 [See All]
FIPS:30063
CBSA:Missoula, MT
Land Area:2,609 sq mi
Water Area:23 sq mi
Coordinates:46.9418, -113.9811
Quick Link:
https://www.zip-codes.com/county/mt-missoula.asp
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Top 3 most populous in Montana
#3 of 56 counties in Montana, with 118,720 residents.
Among Montana's 5 most-educated counties
47.7% with bachelor's+ (#2 statewide).
Wide geographic spread
ZIPs range from 505.0 sq mi down to 7.93 — a 64× sprawl ratio.
Among Montana's 5 most renter-heavy counties
41.7% of homes rented — #1 statewide.

Standout ZIPs in this County


Most Populous
Missoula · 30,916 people
26.0% of county total
Highest Income
Missoula · $111,925 median
1.5× county average
Largest Land Area
Condon · 505.0 sq mi
Spans the most ground
Fastest Growth
Missoula · 26.7% (10-yr)
18,611 → 23,574 residents
Most Educated
Missoula · 56.0% bachelor's+
11,771 of 21,012 adults 25+

Things worth knowing about Missoula County


118,720 residents live across 16 ZIPs covering 2,609 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 109,138 to 117,539 from 2014 to 2024 — a +7.7% change. 9 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 59803 (Missoula, $111,925 median) and poorest ZIP 59868 (Seeley Lake, $51,490) are 36.8 miles apart — a 2.2× income gap across local geography.

Median home values vary 1.6× across this county — from $369,900 in 59825 (Clinton) to $588,400 in 59804 (Missoula).

Density varies 6002× across the county — from 5 people/sq mi in 59823 (Bonner) to 27,338 in 59812 (Missoula).

Educational attainment ranges from 26.5% bachelor's+ in 59868 (Seeley Lake) to 56.0% in 59801 (Missoula) — the breadth of educational profiles across the area.

Within Montana, this is the #3 most populous of 56 counties and ranks #17 for median household income with the #19 fastest decade growth .

Hosts 1 single-entity Unique ZIP: 59812Univ Of Mt Missoula .

Weighted by population, the typical household earns about $77,177 across the county — reflecting what a typical resident sees, not a simple ZIP average.

47.7% of adults age 25+ hold a bachelor's degree or higher (38,990 of 81,729 reporting). The most-educated ZIPs cluster around Missoula.

12 Standard delivery, 3 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Missoula County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
2,609
square miles
Avg density
45.5
people per sq mi
Population
118,720
across 16 ZIPs
Condon
505.0 sq mi
518 residents
Clinton
444.9 sq mi
2,434 residents
Bonner
424.0 sq mi
1,931 residents

All ZIP Codes in Missoula County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
59801MissoulaStandard30,916$58,3477.9-1.0%
59808MissoulaStandard23,574$80,239132.826.7%
59802MissoulaStandard19,864$67,73674.40.7%
59803MissoulaStandard18,401$111,92590.610.4%
59804MissoulaStandard8,123$76,266113.22.9%
59847LoloStandard6,015$86,620258.811.5%
59834FrenchtownStandard2,444$94,40676.119.0%
59825ClintonStandard2,434$90,192444.9-1.8%
59823BonnerStandard1,931$82,813424.024.5%
59868Seeley LakeStandard1,797$51,490251.111.7%
59846HusonStandard1,377$70,851226.023.8%
59812MissoulaUnique1,1810.0
59826CondonStandard518$52,813505.0-13.8%
59851MilltownPO Box145$18,8834.4-32.6%
59806MissoulaPO Box0.0
59807MissoulaPO Box0.0

Adjacent & Nearby Counties