St. Charles city, Illinois
Official LSAD Designation: St. Charles city • Census GEOID: 1766703
• DuPage County / Kane County
St. Charles city is an incorporated city in DuPage County, Kane County, Illinois. According to official records from the Census (2025), St. Charles city had an estimated population of 33,594 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Charles city (GEOID 1766703).
Local Government Administration U.S. Census Bureau GMAF
City Of St Charles
Municipal
Official Title:
Accountant
Address:
2 E MAIN ST, ST CHARLES IL 60174-1984
County Of Dupage
County
Official Title:
Accountant
Address:
421 N COUNTY FARM RD, WHEATON IL 60187-3992
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 33,594 | 2025 |
| Median Household Income | $114,300 | 2020-2024 |
| Median Home Value | $377,400 | 2020-2024 |
| Land Area | 14.48 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).