Demographics & People — Wilmot, South Dakota
Population Overview
| Population (Census) | 441 |
| Estimated 2026 | ~300 |
| Median Age | 60.9 |
| Total Households | 197 |
| Family Households | 99 |
| Average Household Size | 2.06 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 378 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 31 |
Heritage & Ancestry
| Group | Count |
| German | 159 |
| Norwegian | 101 |
| Unclassified or not reported | 61 |
| Dutch | 56 |
| English | 52 |
| Danish | 47 |
| Irish | 43 |
| Other groups | 39 |
| Belgian | 18 |
| Swedish | 15 |
Language
| English Only | 426 |
| Spanish | 0 |
| Population 5+ | 436 |
Veterans
| Veterans | 35 |
| Population 18+ | 346 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Wilmot, South Dakota.