Fenton city, Missouri
Official LSAD Designation: Fenton city • Census GEOID: 2923950
• St. Louis County
Demographics & Population Profile
Population and demographics for Fenton city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,060 | — | 2025 | Census |
| Median Age | 48 yrs | ±5.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,612 | ±113 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).