Median Age in Roosevelt County, MT
ACS 2024 5-Year Estimates
30.9 years
Rank #3,160/3,222 · #56 in MT
2th
Roosevelt 30.9 years
MT 40.4 years -23.5%
US 38.9 years -20.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Roosevelt County's median age of 30.9 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Roosevelt County for median age.
Nearby Rankings
Full ranking →| #3,157 | Clark County, ID | 31.1 years |
| #3,158 | Johnson County, IA | 31.0 years |
| #3,159 | Seward County, KS | 31.0 years |
| #3,160 | Roosevelt County, MT | 30.9 years |
| #3,161 | Grand Forks County, ND | 30.9 years |
| #3,162 | Franklin County, WA | 30.9 years |
| #3,163 | Zavala County, TX | 30.8 years |
About Median Age
Roosevelt County, Montana has a median age of 30.9 years, ranking #3,160 of 3,222 counties nationwide — 20.6% below the national value of 38.9 years. Within Montana, it ranks #56 of 56. This places it in the 2th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.