| Place Name | Viola |
| Place Type | Census Designated Place |
| ZIP Code(s) | 83872 |
| County | Latah County |
| Area Code(s) | 208 |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 90 |
| Majority Ethnicity | White 87.5% |
| Metro/Micro Stats Area | Moscow, ID |
| US Congressional District(s) | Idaho 1st |
| State House Districts | 5 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.5% |
| African American | 12.5% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |