| Name | Oliver County |
| State | North Dakota |
| FIPS Code | 38065 |
| County Seat | Center |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 1,873 |
| Population Growth Rate(2020-2024) | -0.11% |
| Majority Ethnicity | White 94.68% |
| Public School Majority Ethnicity | White 96% |
| Partisan Voting Index | Strongly Republican:+37 |
| Unemployment Rate (May 2026) | 4.0% |
| Area Code(s) | 701 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 94.68% |
| African American | 0% |
| Hispanic | 3.11% |
| Asian | 1.87% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.34% |
| 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% |