How many people live in Glacier County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 13,500 people living in Glacier County, MT. That makes Glacier County the 14th-most populous county in Montana. It is home to 1.2% of people living in the state.
13.5K
population of Glacier County, MT (2024)
1.2%
County share of the Montana population (2024)
About 13,500 people lived in Glacier County, MT in 2024.
Population estimates, 2000–2024
What are Glacier County, MT’s age demographics?
About 1,900 Glacier County, MT residents are aged 65 and older in 2024. That represents 14.2% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 3,900 Glacier County residents, or 29.2% 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 Glacier County, MT's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Glacier County, MT’s racial and ethnic demographics?
Non-Hispanic American Indian and Alaska Native residents make up 63.3% of the Glacier County, MT population, higher than the national share of 0.72%. Glacier County, MT also has a larger share of people identifying as non-Hispanic two or more races (3.2%) than the US overall (2.5%).
In contrast, Glacier County’s non-Hispanic white population accounts for 29.6%, 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.
Glacier 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 Glacier County, MT is Cut Bank with about 3,000 residents in 2024.
Cities and towns in Glacier County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Cut Bank | 2,988 |
| 2. | Balance of Glacier County | 10,515 |
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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.
