This was 0.1 percent higher than the state average of 46.3 percent. In 2020 the total municipality population reached 7,205.
90.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Viola for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 358 | 9.5 |
| Regular high school diploma | 782 | 20.7 |
| GED or alternative credential | 26 | 0.7 |
| Some college, less than 1 year | 195 | 5.2 |
| Some college, 1 or more years, no degree | 660 | 17.5 |
| Associate's degree | 174 | 4.6 |
| Bachelor's degree | 820 | 21.7 |
| Master's degree | 474 | 12.6 |
| Professional school degree | 205 | 5.4 |
| Doctorate degree | 78 | 2.1 |
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