Demographics & People — St. Francis, South Dakota
Population Overview
| Population (Census) | 631 |
| Estimated 2026 | ~500 |
| Median Age | 24.8 |
| Total Households | 183 |
| Family Households | 132 |
| Average Household Size | 3.45 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 6 |
| Black or African American | 0 |
| Asian | 180 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| Other groups | 617 |
| Unclassified or not reported | 4 |
| Scottish | 3 |
| Welsh | 2 |
| English | 2 |
Language
| English Only | 357 |
| Spanish | 2 |
| Population 5+ | 575 |
Veterans
| Veterans | 7 |
| Population 18+ | 366 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Francis, South Dakota.