Demographics & People — Glenham, South Dakota
Population Overview
| Population (Census) | 119 |
| Estimated 2026 | ~100 |
| Median Age | 64.2 |
| Total Households | 73 |
| Family Households | 43 |
| Average Household Size | 1.63 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 119 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 49 |
| Unclassified or not reported | 29 |
| American | 15 |
| Russian | 10 |
| Irish | 6 |
| Other groups | 6 |
| French (except Basque) | 5 |
| Northern European | 4 |
| English | 3 |
| Scotch-Irish | 1 |
Language
| English Only | 114 |
| Spanish | 0 |
| Population 5+ | 114 |
Veterans
| Veterans | 10 |
| Population 18+ | 105 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Glenham, South Dakota.