Demographics & People — Hecla, South Dakota
Population Overview
| Population (Census) | 204 |
| Estimated 2026 | ~100 |
| Median Age | 66.0 |
| Total Households | 125 |
| Family Households | 52 |
| Average Household Size | 1.63 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 167 |
| Black or African American | 0 |
| Asian | 26 |
| Hispanic or Latino | 8 |
Heritage & Ancestry
| Group | Count |
| German | 122 |
| Unclassified or not reported | 71 |
| Other groups | 30 |
| English | 21 |
| American | 13 |
| Irish | 12 |
| Russian | 10 |
| Finnish | 6 |
| Swedish | 5 |
| Hispanic: Mexican | 5 |
Language
| English Only | 178 |
| Spanish | 0 |
| Population 5+ | 204 |
Veterans
| Veterans | 18 |
| Population 18+ | 224 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Hecla, South Dakota.