| Place Name | Belle Fourche |
| Place Type | City |
| ZIP Code(s) | 57717 57717 |
| County | Butte County |
| Area Code(s) | 605 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 5,633 |
| Population Growth Rate (2010-19) | 0.41% |
| Majority Ethnicity | White 90.63% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 28B |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.63% |
| African American | 0% |
| Hispanic | 1.38% |
| Asian | 0.42% |
| Native American | 0.45% |
| Hawaiin/Pacific Islander | 7.12% |