THE ST. CHARLES LAND BRIEF
Land in the
Valparaiso-Wheaton Morainal Complex setting.
St. Charles city has 14.5 square miles of land in DuPage County, Kane County. Its Census reference point is in Valparaiso-Wheaton Morainal Complex, within Central Corn Belt Plains.
Glaciated plains historically supported tallgrass prairie mixed with oak and hickory woodland. Dark prairie soils and broad farming landscapes distinguish much of the Central Corn Belt.
Regional context: Central Corn Belt Plains ↗ · Classification at the Census reference point
One place name. 2 county geographies.
St. Charles intersects 2 county geographies: DuPage County, Kane County. A St. Charles mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
St. Charles by land and water
The Census records 0.6 square miles of water within St. Charles, or 4% of its total area. It is 0.2 percentage points lower than the 4.1% recorded for Illinois. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, St. Charles city has 41.8% of the land area of nearby St. Charles township (34.6 square miles). These areas describe boundaries, not comparable property prices.

