How many people live in Teton County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 6,400 people living in Teton County, MT. That makes Teton County the 32nd-most populous county in Montana. It is home to 0.56% of people living in the state.
6.44K
population of Teton County, MT (2024)
0.56%
County share of the Montana population (2024)
About 6,400 people lived in Teton County, MT in 2024.
Population estimates, 2000–2024
What are Teton County, MT’s age demographics?
About 1,500 Teton County, MT residents are aged 65 and older in 2024. That represents 23.4% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 1,600 Teton County residents, or 24.5% 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 lower share of Teton County, MT's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Teton County, MT’s racial and ethnic demographics?
Non-Hispanic white residents make up 91.7% of the Teton County, MT population, higher than the national share of 57.5%. Teton County, MT also has a larger share of people identifying as non-Hispanic two or more races (2.5%) than the US overall (2.5%).
In contrast, Teton County’s Hispanic population accounts for 2.2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.36% of the county, compared with 12.6% 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.
Teton County, MT has a higher share of a non-Hispanic white population than Montana as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Teton County, MT is Choteau with about 1,800 residents in 2024.
Cities and towns in Teton County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Choteau | 1,804 |
| 2. | Fairfield | 794 |
| 3. | Dutton | 314 |
| 4. | Balance of Teton County | 3,532 |
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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.
