| Name | Foster County |
| State | North Dakota |
| FIPS Code | 38031 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 3,368 |
| Population Growth Rate(2000-2022) | 1.62% |
| Majority Ethnicity | White 96.93% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+25 |
| Unemployment Rate | 2.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 96.93% |
| African American | 0.21% |
| Hispanic | 1.55% |
| Asian | 0.03% |
| Native American | 1.28% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 95.47% |
| African American | 0.7% |
| Hispanic | 1.05% |
| Asian | 0% |
| Native American | 1.22% |
| Hawaiin/Pacific Islander | 0% |