How many people live in Fallon County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 2,900 people living in Fallon County, MT. That makes Fallon County the 42nd-most populous county in Montana. It is home to 0.26% of people living in the state.
2.95K
population of Fallon County, MT (2024)
0.26%
County share of the Montana population (2024)
About 2,900 people lived in Fallon County, MT in 2024.
Population estimates, 2000–2024
What are Fallon County, MT’s age demographics?
About 628 Fallon County, MT residents are aged 65 and older in 2024. That represents 21.3% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 746 Fallon County residents, or 25.3% 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 Fallon County, MT's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Fallon County, MT’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.1% of the Fallon County, MT population, higher than the national share of 57.5%. Fallon County, MT also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.4%) than the US overall (0.72%).
In contrast, Fallon County’s Hispanic population accounts for 2.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.54% 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.
Fallon 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 Fallon County, MT is Baker with about 1,800 residents in 2024.
Cities and towns in Fallon County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Baker | 1,767 |
| 2. | Plevna | 170 |
| 3. | Balance of Fallon County | 1,009 |
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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.
