Affton CDP, Missouri
Official LSAD Designation: Affton CDP • Census GEOID: 2900280
• St. Louis County
Affton CDP is a census designated place (CDP), a statistical geography in St. Louis County, Missouri. According to official records from the Census ACS 5-Year 2024 (2020-2024), Affton CDP had an estimated population of 19,052 residents. Official Census Bureau geographic records classify this community under LSAD designation Affton CDP (GEOID 2900280).
Local Government Administration U.S. Census Bureau GMAF
County Of St Louis
County
Official Title:
County Executive
Address:
41 S CENTRAL AVE, FL 9, CLAYTON MO 63105-1759
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 19,052 | 2020-2024 |
| Median Household Income | $79,539 | 2020-2024 |
| Median Home Value | $212,400 | 2020-2024 |
| Land Area | 4.57 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).