Demographics & People — Henry, South Dakota
Population Overview
| Population (Census) | 246 |
| Estimated 2026 | ~200 |
| Median Age | 65.4 |
| Total Households | 159 |
| Family Households | 54 |
| Average Household Size | 1.55 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 246 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 120 |
| Irish | 78 |
| Unclassified or not reported | 51 |
| Norwegian | 40 |
| American | 16 |
| English | 10 |
| Italian | 7 |
| Russian | 5 |
| Welsh | 4 |
| Other groups | 4 |
Language
| English Only | 238 |
| Spanish | 0 |
| Population 5+ | 240 |
Veterans
| Veterans | 23 |
| Population 18+ | 202 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Henry, South Dakota.