How many people live in Sargent County, ND?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 3,700 people living in Sargent County, ND. That makes Sargent County the 30th-most populous county in North Dakota. It is home to 0.46% of people living in the state.
3.71K
population of Sargent County, ND (2024)
0.46%
County share of the North Dakota population (2024)
About 3,700 people lived in Sargent County, ND in 2024.
Population estimates, 2000–2024
What are Sargent County, ND’s age demographics?
About 946 Sargent County, ND residents are aged 65 and older in 2024. That represents 25.5% of its population. For comparison, the age group represents 17.5% of North Dakota’s population and 18% in the US overall.
Another 763 Sargent County residents, or 20.6% 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 Sargent County, ND's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Sargent County, ND’s racial and ethnic demographics?
Non-Hispanic white residents make up 89.8% of the Sargent County population, higher than the national share of 57.5%. Sargent County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.3%) than the US overall (0.72%).
In contrast, Sargent County’s Hispanic population accounts for 3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.6% 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.
Sargent County, ND has a higher share of a non-Hispanic white population than North Dakota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Sargent County, ND is Gwinner with about 893 residents in 2024.
Cities and towns in Sargent County, ND ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Gwinner | 893 |
| 2. | Milnor | 602 |
| 3. | Forman | 490 |
| 4. | Rutland | 156 |
| 5. | Hall | 114 |
| 6. | Milnor | 109 |
| 7. | Vivian | 91 |
| 8. | Willey | 88 |
| 9. | Kingston | 87 |
| 10. | Dunbar | 86 |
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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.