| Place Name | Viola Township |
| Place Type | Township |
| ZIP Code(s) | 55906 55929 55932 55934 |
| County | Olmsted County |
| Area Code(s) | 507 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 551 |
| Majority Ethnicity | White 98.32% |
| Metro/Micro Stats Area | Rochester, MN |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 26B |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.32% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 1.68% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |