Demographics & People — Frederick, South Dakota
Population Overview
| Population (Census) | 178 |
| Estimated 2026 | ~100 |
| Median Age | 52.8 |
| Total Households | 92 |
| Family Households | 55 |
| Average Household Size | 1.93 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 171 |
| Black or African American | 0 |
| Asian | 5 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 106 |
| Unclassified or not reported | 41 |
| Norwegian | 29 |
| Russian | 21 |
| Polish | 20 |
| Swedish | 16 |
| Other groups | 15 |
| Irish | 14 |
| English | 13 |
| Finnish | 8 |
Language
| English Only | 172 |
| Spanish | 0 |
| Population 5+ | 178 |
Veterans
| Veterans | 34 |
| Population 18+ | 186 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Frederick, South Dakota.