County ProfileMT
Gallatin County
Population: 118,960 · 13 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
118,960
People
Median age
34.2
Housing
Total households
51,215
Income
Median household income
$93,528
Housing
Total housing units
57,568
Employment
Employment rate
69.4%
Education
Bachelor’s degree or higher
54.3%
Healthcare
Insured population
93.1%
County details
Local time 00:14:18(MT)| Name | Gallatin |
|---|---|
| Total ZIP codes | 13total |
| ZIP codes (by type) | 7 Standard6 PO Box |
| Area code | 406 |
| Timezone | Mountain Time (MT) |
| Coordinates | 45.5180536, -111.1639214 |
| Land area | 2,605.4 sq miles(6,747.8 km²) |
Map of Gallatin county, Montana with ZIP codes
Cities and Communities in Gallatin County
Compare the largest cities in Gallatin County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Bozeman | 53,293 | $85,747 | 6ZIPs |
| Belgrade | 10,460 | $97,328 | 1ZIPs |
| Big Sky | 3,591 | $138,805 | 1ZIPs |
| Manhattan | 2,086 | $87,865 | 1ZIPs |
| Three Forks | 1,989 | $79,784 | 1ZIPs |
| West Yellowstone | 1,272 | $58,839 | 1ZIPs |
| Gallatin Gateway | 967 | $82,500 | 1ZIPs |
| Willow Creek | 230 | $62,857 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Gallatin County
Review the most populated postal areas across Gallatin County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 59718 | Bozeman | $99,123 | 43,831 |
| 59715 | Bozeman | $88,407 | 37,286 |
| 59714 | Belgrade | $96,183 | 22,333 |
| 59741 | Manhattan | $90,947 | 5,397 |
| 59752 | Three Forks | $86,767 | 4,535 |
| 59716 | Big Sky | $141,716 | 2,924 |
| 59730 | Gallatin Gateway | $98,305 | 2,154 |
| 59758 | West Yellowstone | $66,375 | 1,932 |
| 59760 | Willow Creek | $63,571 | 269 |
| 59717 | Bozeman | — | — |
| 59719 | Bozeman | — | — |
| 59771 | Bozeman | — | — |
| 59772 | Bozeman | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS