Gallatin County, Montana
Gallatin County, Montana · ZIP 59086, 59714, 59715
- Census data · ACS 2019-2023
- 126,984 (2024 estimate)Population
- 50,031Households
- $87,454Median household income
- $604,900Median home value
- 19Towns with a page
- 10ZIP codes
Gallatin County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 67,831 |
| 2010 | 89,513 |
| 2020 | 118,960 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 30, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 30, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 30, retrieved November 14, 2026.
Median household income $87,454 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 30, retrieved November 14, 2026.
- Owner occupied
- 30,780 units
- Renter occupied
- 19,251 units
- Vacancy rate
- 10%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 30, retrieved November 14, 2026.
59,252 employees in 6,828 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 30, retrieved November 14, 2026.
| Measure | Gallatin County | Montana |
|---|---|---|
| Population | 122,194 | 1,105,072 |
| Median household income | $87,454 | $69,922 |
| Median age | 33.8 | 40.2 |
| Median home value | $604,900 | $338,100 |
| Bachelor’s degree or higher | 53.1% | 34.5% |
| Foreign-born residents | 4.1% | 2.3% |
| Owner-occupied homes | 61.5% | 69.4% |
| Mean commute to work | 18.8 minutes | 19.2 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 30, retrieved November 14, 2026.
Townships, towns and villages in Gallatin County19 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Bozeman | City | 57,894 | 21.4 sq mi |
| Belgrade | City | 12,741 | 5.98 sq mi |
| Four Corners | Census designated place | 5,562 | 10.8 sq mi |
| Big Sky | Census designated place | 2,388 | 120.0 sq mi |
| King Arthur Park | Census designated place | 2,343 | 0.46 sq mi |
| Manhattan | Town | 2,068 | 1.75 sq mi |
| Three Forks | City | 1,945 | 1.44 sq mi |
| West Yellowstone | Town | 1,202 | 0.91 sq mi |
| Churchill | Census designated place | 1,120 | 3.55 sq mi |
| Gallatin Gateway | Census designated place | 1,092 | 5.85 sq mi |
| Ponderosa Pines | Census designated place | 969 | 39.6 sq mi |
| Gallatin River Ranch | Census designated place | 191 | 7.08 sq mi |
| Willow Creek | Census designated place | 162 | 2.75 sq mi |
| Amsterdam | Census designated place | 145 | 2.71 sq mi |
| Logan | Census designated place | 135 | 0.50 sq mi |
| Sedan | Census designated place | 124 | 61.0 sq mi |
| Bridger | Census designated place | 119 | 6.55 sq mi |
| Springhill | Census designated place | 118 | 2.78 sq mi |
| Hebgen Lake Estates | Census designated place | 53 | 0.18 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 30 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Gallatin County
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Neighboring counties
Neighboring counties
- Broadwater CountyPopulation 8,302 (2024 estimate)
- Fremont CountyPopulation 14,399 (2024 estimate)
- Jefferson CountyPopulation 13,304 (2024 estimate)
- Madison CountyPopulation 9,753 (2024 estimate)
- Meagher CountyPopulation 2,065 (2024 estimate)
- Park CountyPopulation 18,074 (2024 estimate)
- Park CountyPopulation 31,082 (2024 estimate)
- Teton CountyPopulation 23,272 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 30, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 16, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 56, retrieved November 14, 2026.