Demographics & People — Mount Vernon, South Dakota
Population Overview
| Population (Census) | 437 |
|---|
| Estimated 2026 | ~500 |
|---|
| Median Age | 28.8 |
|---|
| Total Households | 193 |
|---|
| Family Households | 93 |
|---|
| Average Household Size | 2.26 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 411 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 194 |
| Unclassified or not reported | 137 |
| Norwegian | 63 |
| Irish | 58 |
| Other groups | 46 |
| Dutch | 30 |
| Hispanic: Mexican | 30 |
| Hispanic: Hispanic or Latino | 30 |
| European | 18 |
| French (except Basque) | 16 |
Language
| English Only | 410 |
|---|
| Spanish | 4 |
|---|
| Population 5+ | 414 |
|---|
Veterans
| Veterans | 23 |
|---|
| Population 18+ | 343 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mount Vernon, South Dakota.
