| Name | Oliver County |
| State | North Dakota |
| FIPS Code | 38065 |
| County Seat | Center |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 1,875 |
| Population Growth Rate(2000-2022) | 1.68% |
| Majority Ethnicity | White 98.36% |
| Public School Majority Ethnicity | White 96% |
| Partisan Voting Index | Strongly Republican:+37 |
| Unemployment Rate (January 2025) | 4.2% |
| Area Code(s) | 701 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 98.36% |
| African American | 0% |
| Hispanic | 0.47% |
| Asian | 0.35% |
| Native American | 0.41% |
| Hawaiin/Pacific Islander | 0.41% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 95.92% |
| African American | 0% |
| Hispanic | 1.63% |
| Asian | 0% |
| Native American | 1.22% |
| Hawaiin/Pacific Islander | 0% |