How many people live in Liberty County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 1,900 people living in Liberty County, MT. That makes Liberty County the 46th-most populous county in Montana. It is home to 0.17% of people living in the state.
1.93K
population of Liberty County, MT (2024)
0.17%
County share of the Montana population (2024)
About 1,900 people lived in Liberty County, MT in 2024.
Population estimates, 2000–2024
What are Liberty County, MT’s age demographics?
About 479 Liberty County, MT residents are aged 65 and older in 2024. That represents 24.8% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 426 Liberty County residents, or 22% 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 Liberty County, MT's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Liberty County, MT’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.4% of the Liberty County, MT population, higher than the national share of 57.5%. Liberty County, MT also has a larger share of people identifying as non-Hispanic two or more races (2.9%) than the US overall (2.5%).
In contrast, Liberty County’s Hispanic population accounts for 1.2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.67% 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.
Liberty 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 Liberty County, MT is Chester with about 835 residents in 2024.
Cities and towns in Liberty County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Chester | 835 |
| 2. | Balance of Liberty County | 1,099 |
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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.
