Demographics & People — Belle Fourche, South Dakota
Population Overview
| Population (Census) | 5,741 |
| Estimated 2026 | ~6,000 |
| Median Age | 38.3 |
| Total Households | 2,407 |
| Family Households | 1,355 |
| Average Household Size | 2.33 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 5,197 |
| Black or African American | 0 |
| Asian | 18 |
| Hispanic or Latino | 317 |
Heritage & Ancestry
| Group | Count |
| German | 1,398 |
| Unclassified or not reported | 968 |
| English | 838 |
| Other groups | 818 |
| Irish | 627 |
| Norwegian | 555 |
| European | 447 |
| American | 434 |
| Hispanic: Hispanic or Latino | 335 |
| Italian | 249 |
Language
| English Only | 5,203 |
| Spanish | 113 |
| Population 5+ | 5,359 |
Veterans
| Veterans | 386 |
| Population 18+ | 4,301 |
Commuting
| Mean Commute Time | 25.8 minutes |
| Work from Home | 4.3% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Belle Fourche, South Dakota.