How many people live in Hill County, MT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 16,100 people living in Hill County, MT. That makes Hill County the 12th-most populous county in Montana. It is home to 1.4% of people living in the state.
16.1K
population of Hill County, MT (2024)
1.4%
County share of the Montana population (2024)
About 16,100 people lived in Hill County, MT in 2024.
Population estimates, 2000–2024
What are Hill County, MT’s age demographics?
About 2,800 Hill County residents are aged 65 and older in 2024. That represents 17.3% of its population. For comparison, the age group represents 21.1% of Montana’s population and 18% in the US overall.
Another 4,400 Hill County residents, or 27.3% 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 Hill County, MT's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Hill County, MT’s racial and ethnic demographics?
Non-Hispanic white residents make up 68% of the Hill County, MT population, higher than the national share of 57.5%. Hill County, MT also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (23.6%) than the US overall (0.72%).
In contrast, Hill County’s Hispanic population accounts for 4%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.58% 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.
Hill 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 Hill County, MT is Havre with about 9,200 residents in 2024.
Cities and towns in Hill County, MT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Havre | 9,204 |
| 2. | Hingham | 128 |
| 3. | Balance of Hill County | 6,733 |
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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.
