Demographics & People — West Alton, Missouri
Population Overview
| Population (Census) | 511 |
| Estimated 2026 | ~400 |
| Median Age | 36.5 |
| Total Households | 159 |
| Family Households | 118 |
| Average Household Size | 3.21 |
| Diversity Index | 0.0309 (relatively homogeneous) |
Race & Ethnicity
| White | 501 |
| Black or African American | 8 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 355 |
| Irish | 104 |
| Unclassified or not reported | 91 |
| English | 25 |
| American | 24 |
| Other groups | 19 |
| Polish | 18 |
| French (except Basque) | 9 |
| Czech | 6 |
| European | 5 |
Language
| English Only | 500 |
| Spanish | 0 |
| Population 5+ | 502 |
Veterans
| Veterans | 31 |
| Population 18+ | 383 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for West Alton, Missouri.