Total Population in Jefferson County, MT
ACS 2024 5-Year Estimates
How Jefferson County Compares
National Distribution
Where Jefferson County falls among all 3,222 U.S. counties for total population.
■ Jefferson County: 12,774
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,297 | Wright County, IA | 12,791 |
| #2,298 | Cass County, IL | 12,784 |
| #2,299 | Rains County, TX | 12,775 |
| #2,300 | Jefferson County, MT | 12,774 |
| #2,301 | Kodiak Island Borough, AK | 12,771 |
| #2,302 | Mason County, IL | 12,745 |
| #2,303 | Madison County, MO | 12,729 |
Total Population in Jefferson County, Montana
Jefferson County, Montana has a total population of 12,774, which ranks #2,300 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Montana, Jefferson County ranks #16 of 56 out of 56 counties. This places it in the 29th 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.