Demographics & People — Chancellor, South Dakota
Population Overview
| Population (Census) | 365 |
| Estimated 2026 | ~600 |
| Median Age | 25.5 |
| Total Households | 131 |
| Family Households | 94 |
| Average Household Size | 2.79 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 332 |
| Black or African American | 3 |
| Asian | 9 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 140 |
| German | 131 |
| Norwegian | 64 |
| Other groups | 32 |
| Irish | 18 |
| Dutch | 15 |
| English | 13 |
| American | 12 |
| French (except Basque) | 11 |
| Danish | 6 |
Language
| English Only | 310 |
| Spanish | 0 |
| Population 5+ | 332 |
Veterans
| Veterans | 10 |
| Population 18+ | 243 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Chancellor, South Dakota.