Vandalia city, Missouri
Official LSAD Designation: Vandalia city • Census GEOID: 2975688
• Audrain County / Ralls County
Demographics & Population Profile
Population and demographics for Vandalia city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,029 | — | 2025 | Census |
| Median Age | 40.2 yrs | ±2.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,054 | ±101 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).