Clayton city, Missouri
Official LSAD Designation: Clayton city • Census GEOID: 2914572
• St. Louis County
Clayton city is an incorporated city in St. Louis County, Missouri. According to official records from the Census (2025), Clayton city had an estimated population of 17,807 residents. Official Census Bureau geographic records classify this community under LSAD designation Clayton city (GEOID 2914572).
Local Government Administration U.S. Census Bureau GMAF
City Of Clayton
Municipal
Official Title:
Director Of Finance And Administration
Address:
10 N BEMISTON AVE, CLAYTON MO 63105-3397
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 | 17,807 | 2025 |
| Median Household Income | $123,000 | 2020-2024 |
| Median Home Value | $830,000 | 2020-2024 |
| Land Area | 2.51 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).