Demographics & People — Revillo, South Dakota
Population Overview
| Population (Census) | 92 |
| Estimated 2026 | ~100 |
| Median Age | 38.0 |
| Total Households | 70 |
| Family Households | 7 |
| Average Household Size | 1.31 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 92 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| German | 84 |
| Irish | 23 |
| Norwegian | 17 |
| Swedish | 7 |
| Unclassified or not reported | 5 |
| American | 2 |
| Danish | 2 |
| English | 2 |
| Northern European | 2 |
| Russian | 2 |
Language
| English Only | 90 |
| Spanish | 0 |
| Population 5+ | 90 |
Veterans
| Veterans | 8 |
| Population 18+ | 97 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Revillo, South Dakota.