Total Population in Gallatin County, MT
ACS 2024 5-Year Estimates
How Gallatin County Compares
National Distribution
Where Gallatin County falls among all 3,222 U.S. counties for total population.
■ Gallatin County: 124,074
Ranking Context
| Rank | County | Value |
|---|---|---|
| #524 | Morgan County, AL | 124,471 |
| #525 | Jasper County, MO | 124,357 |
| #526 | Clark County, IN | 124,354 |
| #527 | Gallatin County, MT | 124,074 |
| #528 | Rockwall County, TX | 123,617 |
| #529 | Fayette County, GA | 122,244 |
| #530 | Comanche County, OK | 121,825 |
Total Population in Gallatin County, Montana
Gallatin County, Montana has a total population of 124,074, which ranks #527 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Montana, Gallatin County ranks #2 of 56 out of 56 counties. This places it in the 84th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.