How many people live in Roosevelt County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 10,200 people living in Roosevelt County, MT. That makes Roosevelt County the 21st-most populous county in Montana. It is home to 0.89% of people living in the state.
10.2K
population of Roosevelt County, MT (2024)
0.89%
County share of the Montana population (2024)
About 10,200 people lived in Roosevelt County, MT in 2024.
Population estimates, 2000–2024
What are Roosevelt County, MT’s age demographics?
About 1,300 Roosevelt County residents are aged 65 and older in 2024. That represents 13.1% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 3,300 Roosevelt County residents, or 32.2% of the population, were children under 18. For comparison, the age group represents 20.5% of Montana’s population and 21.6% in the US overall.
A higher share of Roosevelt County, MT's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Roosevelt County, MT’s racial and ethnic demographics?
Non-Hispanic American Indian and Alaska Native residents make up 59.5% of the Roosevelt County, MT population, higher than the national share of 0.72%. Roosevelt County, MT also has a larger share of people identifying as non-Hispanic two or more races (3.6%) than the US overall (2.5%).
In contrast, Roosevelt County’s non-Hispanic white population accounts for 32.3%, below the 57.5% nationwide, and the Hispanic population makes up 3.2% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Roosevelt County, MT has a higher share of a non-Hispanic American Indian and Alaska Native population than Montana as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Roosevelt County, MT is Wolf Point with about 2,500 residents in 2024.
Cities and towns in Roosevelt County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Wolf Point | 2,522 |
| 2. | Poplar | 722 |
| 3. | Culbertson | 706 |
| 4. | Bainville | 261 |
| 5. | Froid | 185 |
| 6. | Balance of Roosevelt County | 5,801 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
