Demographics & People — Vienna, Missouri
Population Overview
| Population (Census) | 752 |
| Estimated 2026 | ~500 |
| Median Age | 46.3 |
| Total Households | 304 |
| Family Households | 167 |
| Average Household Size | 2.2 |
| Diversity Index | 0.0413 (relatively homogeneous) |
Race & Ethnicity
| White | 653 |
| Black or African American | 5 |
| Asian | 0 |
| Hispanic or Latino | 9 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 334 |
| German | 173 |
| American | 105 |
| Other groups | 99 |
| Irish | 76 |
| Scottish | 39 |
| English | 33 |
| European | 22 |
| British | 18 |
| Scotch-Irish | 18 |
Language
| English Only | 684 |
| Spanish | 0 |
| Population 5+ | 689 |
Veterans
| Veterans | 27 |
| Population 18+ | 628 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Vienna, Missouri.