| Name | Foster County |
| State | North Dakota |
| FIPS Code | 38031 |
| County Seat | Carrington |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 3,334 |
| Population Growth Rate(2020-2024) | -1.83% |
| Majority Ethnicity | White 96.95% |
| Public School Majority Ethnicity | White 91% |
| Partisan Voting Index | Strongly Republican:+29 |
| Unemployment Rate (May 2026) | 2.1% |
| Area Code(s) | 701 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.95% |
| African American | 0.37% |
| Hispanic | 0.85% |
| Asian | 1.37% |
| Native American | 0.24% |
| Hawaiin/Pacific Islander | 0.21% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 91.39% |
| African American | 0.86% |
| Hispanic | 1.58% |
| Asian | 0.14% |
| Native American | 2.15% |
| Hawaiin/Pacific Islander | 0.57% |