| Name | Gallatin County |
| State | Montana |
| FIPS Code | 30031 |
| County Seat | Bozeman |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2024) | 125,929 |
| Population Growth Rate(2020-2024) | 5.53% |
| Majority Ethnicity | White 92.14% |
| Public School Majority Ethnicity | White 86% |
| Partisan Voting Index | Democratic:+1 |
| Unemployment Rate (May 2026) | 2.7% |
| Sales Tax Rate (2025) | 0% |
| Area Code(s) | 406 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 92.14% |
| African American | 0.5% |
| Hispanic | 5.27% |
| Asian | 1.31% |
| Native American | 0.77% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 85.59% |
| African American | 0.37% |
| Hispanic | 8.42% |
| Asian | 1.01% |
| Native American | 1.21% |
| Hawaiin/Pacific Islander | 0.16% |