| Place Name | St. Charles |
| Place Type | City |
| ZIP Code(s) | 42408 42442 42453 |
| County | Hopkins County |
| Area Code(s) | 270,364 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 249 |
| Population Growth Rate (2010-19) | -1.44% |
| Majority Ethnicity | White 97.4% |
| Metro/Micro Stats Area | Madisonville, KY |
| US Congressional District(s) | Kentucky 1st |
| State House Districts | 9 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.4% |
| African American | 0% |
| Hispanic | 1.12% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.49% |