Demographics & People — Oahe Acres, South Dakota
Population Overview
| Population (Census) | 443 |
| Estimated 2026 | ~300 |
| Median Age | 33.8 |
| Total Households | 143 |
| Family Households | 104 |
| Average Household Size | 3.1 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 443 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 153 |
| Norwegian | 91 |
| Dutch | 62 |
| Unclassified or not reported | 54 |
| Other groups | 36 |
| English | 25 |
| Northern European | 21 |
| Swedish | 19 |
| Irish | 16 |
| French (except Basque) | 14 |
Language
| English Only | 383 |
| Spanish | 0 |
| Population 5+ | 383 |
Veterans
| Veterans | 31 |
| Population 18+ | 216 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Oahe Acres, South Dakota.