How many people live in Foster County, ND?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 3,300 people living in Foster County, ND. That makes Foster County the 32nd-most populous county in North Dakota. It is home to 0.42% of people living in the state.
3.32K
population of Foster County, ND (2024)
0.42%
County share of the North Dakota population (2024)
About 3,300 people lived in Foster County, ND in 2024.
Population estimates, 2000–2024
What are Foster County, ND’s age demographics?
About 859 Foster County residents are aged 65 and older in 2024. That represents 25.9% of its population. For comparison, the age group represents 17.5% of North Dakota’s population and 18% in the US overall.
Another 733 Foster County residents, or 22.1% 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 Foster County, ND's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Foster County, ND’s racial and ethnic demographics?
Non-Hispanic white residents make up 91.8% of the Foster County, ND population, higher than the national share of 57.5%. Foster County, ND also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.7%) than the US overall (0.72%).
In contrast, Foster County’s Hispanic population accounts for 2.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.96% 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.
Foster 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 Foster County, ND is Carrington with about 2,000 residents in 2024.
Cities and towns in Foster County, ND ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Carrington | 2,019 |
| 2. | Carrington | 221 |
| 3. | Glenfield | 95 |
| 4. | Birtsell | 91 |
| 5. | Rose Hill | 79 |
| 6. | Wyard | 76 |
| 7. | Nordmore | 75 |
| 8. | Estabrook | 64 |
| 9. | McHenry | 63 |
| 10. | Larrabee | 59 |
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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.
