How many people live in Mountrail County, ND?
Refreshed annually
In 2025, there were about 9,400 people living in Mountrail County, ND. That makes Mountrail County the 16th-most populous county in North Dakota. It is home to 1.2% of people living in the state.
9.4K
population of Mountrail County, ND (2025)
1.2%
County share of the North Dakota population (2025)
About 9,400 people lived in Mountrail County, ND in 2025.
Population estimates, 2000–2025
What are Mountrail County, ND's age demographics?
About 1,400 Mountrail County residents are aged 65 and older in 2024. That represents 14.5% of its population. For comparison, the age group represents 17.5% of North Dakota’s population and 18% in the US overall.
Another 2,700 Mountrail County, ND residents, or 28.9% of the population, were children under 18. For comparison, the age group represents 23.5% of North Dakota’s population and 21.6% in the US overall.
A higher share of Mountrail County, ND's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Mountrail County, ND's racial and ethnic demographics?
Non-Hispanic American Indian and Alaska Native residents make up 27.5% of the Mountrail County population, higher than the national share of 0.72%. Mountrail County also has a larger share of people identifying as non-Hispanic two or more races (3.1%) than the US overall (2.5%).
In contrast, Mountrail County’s non-Hispanic Black or African American population accounts for 1.5%, below the 12.6% nationwide, and the Hispanic population makes up 9.8% 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.
Mountrail County, ND has a higher share of a non-Hispanic American Indian and Alaska Native population than North Dakota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Mountrail County, ND is New Town with about 2,700 residents in 2024.
Cities and towns in Mountrail County, ND ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | New Town | 2,735 |
| 2. | Stanley | 2,214 |
| 3. | Parshall | 908 |
| 4. | Osborn | 333 |
| 5. | West Mountrail UT | 264 |
| 6. | Van Hook | 215 |
| 7. | Plaza | 206 |
| 8. | Idaho | 163 |
| 9. | Palermo | 122 |
| 10. | Sikes | 97 |
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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.
