St. Ann city, Missouri
Official LSAD Designation: St. Ann city • Census GEOID: 2963956
• St. Louis County
St. Ann city is an incorporated city in St. Louis County, Missouri. According to official records from the Census (2025), St. Ann city had an estimated population of 12,617 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Ann city (GEOID 2963956).
Local Government Administration U.S. Census Bureau GMAF
City Of St Ann
Municipal
Official Title:
Mayor
Address:
10405 SAINT CHARLES ROCK RD, SAINT ANN MO 63074-1815
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 | 12,617 | 2025 |
| Median Household Income | $52,323 | 2020-2024 |
| Median Home Value | $126,600 | 2020-2024 |
| Land Area | 3.16 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).