Demographics & People — Mound City, South Dakota
Population Overview
| Population (Census) | 97 |
| Estimated 2026 | ~100 |
| Median Age | 30.1 |
| Total Households | 46 |
| Family Households | 25 |
| Average Household Size | 2.11 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 69 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 40 |
Heritage & Ancestry
| Group | Count |
| Other groups | 43 |
| Hispanic: Hispanic or Latino | 42 |
| German | 24 |
| Hispanic: Mexican | 24 |
| Hispanic: Cuban | 18 |
| Unclassified or not reported | 9 |
| Cajun | 7 |
| French (except Basque) | 6 |
| Russian | 6 |
| American | 2 |
Language
| English Only | 75 |
| Spanish | 16 |
| Population 5+ | 91 |
Veterans
| Veterans | 3 |
| Population 18+ | 74 |
Commuting
| Mean Commute Time | 10.8 minutes |
| Work from Home | 9.8% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mound City, South Dakota.