Affton CDP, Missouri
Official LSAD Designation: Affton CDP • Census GEOID: 2900280
• St. Louis County
Demographics & Population Profile
Population and demographics for Affton CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population | 19,052 | ±1,216 | 2020-2024 | Census ACS 5-Year 2024 |
| Median Age | 42 yrs | ±3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,695 | ±550 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).