St. Charles city, Missouri
Official LSAD Designation: St. Charles city • Census GEOID: 2964082
• St. Charles County
St. Charles city is an incorporated city in St. Charles County, Missouri. According to official records from the Census (2025), St. Charles city had an estimated population of 72,561 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Charles city (GEOID 2964082).
Local Government Administration U.S. Census Bureau GMAF
City Of St Charles
Municipal
Official Title:
Mayor
Address:
200 N 2ND ST, SAINT CHARLES MO 63301-2891
County Of St Charles
County
Official Title:
County Executive
Address:
100 N 3RD STREET, SUITE 318, SAINT CHARLES MO 63301
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 72,561 | 2025 |
| Median Household Income | $85,937 | 2020-2024 |
| Median Home Value | $298,700 | 2020-2024 |
| Land Area | 25.50 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).