Demographics & People — Angostura, South Dakota
Population Overview
| Population (Census) | 114 |
| Estimated 2026 | ~200 |
| Median Age | 53.9 |
| Total Households | 62 |
| Family Households | 45 |
| Average Household Size | 1.84 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 108 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Other groups | 70 |
| Norwegian | 44 |
| German | 30 |
| English | 29 |
| French Canadian | 11 |
| Swedish | 10 |
| Irish | 8 |
Language
| English Only | 114 |
| Spanish | 0 |
| Population 5+ | 114 |
Veterans
| Veterans | 0 |
| Population 18+ | 118 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Angostura, South Dakota.