St. Charles city, Iowa
Official LSAD Designation: St. Charles city • Census GEOID: 1969915
• Madison County
St. Charles city is an incorporated city in Madison County, Iowa. According to official records from the Census (2025), St. Charles city had an estimated population of 641 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Charles city (GEOID 1969915).
Local Government Administration U.S. Census Bureau GMAF
City Of St Charles
Municipal
Official Title:
City Clerk
Address:
PO BOX 118, SAINT CHARLES IA 50240-0118
County Of Madison
County
Official Title:
Chairman Bos
Address:
PO BOX 152, WINTERSET IA 50273-0152
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 641 | 2025 |
| Median Household Income | $82,841 | 2020-2024 |
| Median Home Value | $221,300 | 2020-2024 |
| Land Area | 0.62 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).