Total Population in Custer County, MT
ACS 2024 5-Year Estimates
How Custer County Compares
National Distribution
Where Custer County falls among all 3,222 U.S. counties for total population.
■ Custer County: 11,961
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,351 | Lunenburg County, VA | 12,016 |
| #2,352 | Union County, IA | 11,993 |
| #2,353 | Douglas County, MO | 11,965 |
| #2,354 | Custer County, MT | 11,961 |
| #2,355 | Trousdale County, TN | 11,957 |
| #2,356 | Blackford County, IN | 11,950 |
| #2,357 | Rolette County, ND | 11,924 |
Total Population in Custer County, Montana
Custer County, Montana has a total population of 11,961, which ranks #2,354 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Montana, Custer County ranks #17 of 56 out of 56 counties. This places it in the 27th 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.