Demographics & People — Long Lake, South Dakota
Population Overview
| Population (Census) | 17 |
| Estimated 2026 | ~0 |
| Median Age | 68.3 |
| Total Households | 11 |
| Family Households | 3 |
| Average Household Size | 1.55 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 17 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 17 |
| English | 9 |
| French (except Basque) | 7 |
| Swiss | 3 |
| Russian | 3 |
| Scottish | 2 |
Language
| English Only | 17 |
| Spanish | 0 |
| Population 5+ | 17 |
Veterans
| Veterans | 6 |
| Population 18+ | 23 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Long Lake, South Dakota.