| Place Name | St. Charles |
| Place Type | City |
| County | Kane County |
| Area Code(s) | 331,630 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 33,046 |
| Population Growth Rate (2010-19) | 0.32% |
| Majority Ethnicity | White 81.94% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 6thIllinois 14th |
| State House Districts | 49,50,65 |
| State Senate Districts | 25,33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.94% |
| African American | 3.52% |
| Hispanic | 0.26% |
| Asian | 5.41% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 8.81% |