| Name | Cavalier County |
| State | North Dakota |
| FIPS Code | 38019 |
| County Seat | Langdon |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 3,605 |
| Population Growth Rate(2020-2024) | -2.91% |
| Majority Ethnicity | White 95.77% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+26 |
| Unemployment Rate (May 2026) | 3.8% |
| Area Code(s) | 701 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 95.77% |
| African American | 0% |
| Hispanic | 2.73% |
| Asian | 0.08% |
| Native American | 1.41% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.87% |
| African American | 0.79% |
| Hispanic | 1.38% |
| Asian | 0.4% |
| Native American | 2.57% |
| Hawaiin/Pacific Islander | 0% |