| Place Name | Viola |
| Place Type | Town |
| ZIP Code(s) | 37357 |
| County | Warren County |
| Area Code(s) | 931 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 153 |
| Population Growth Rate (2010-19) | -29.01% |
| Majority Ethnicity | White 84.26% |
| Metro/Micro Stats Area | McMinnville, TN |
| US Congressional District(s) | Tennessee 4th |
| State House Districts | 47 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.26% |
| African American | 12.96% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.78% |