| Place Name | St. Charles Township |
| Place Type | Township |
| ZIP Code(s) | 55929 55972 55979 |
| County | Winona County |
| Area Code(s) | 507 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 673 |
| Majority Ethnicity | White 95.69% |
| Metro/Micro Stats Area | Winona, MNRochester, MN |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 21B,26B |
| State Senate Districts | 21,26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.69% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.59% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.71% |