| Place Name | Fort Berthold (Mercer County) |
| Place Type | Unincorporated Territory |
| ZIP Code(s) | 58523 58540 58541 58636 |
| County | Mercer County |
| Area Code(s) | 701 |
| Timezone | (UTC) |
| Population (2021) | 137 |
| Majority Ethnicity | Native American 0% |
| US Congressional District(s) | North Dakota At-Large |
| State House Districts | 4 |
| State Senate Districts | 4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 42.34% |
| African American | 0% |
| Hispanic | 54.01% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.65% |