This was 15.8 percent lower than the state average of 31.4 percent. In 2020 the total municipality population reached 1,912.
81.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Olla for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 206 | 18.5 |
| Regular high school diploma | 369 | 33.2 |
| GED or alternative credential | 63 | 5.7 |
| Some college, less than 1 year | 112 | 10.1 |
| Some college, 1 or more years, no degree | 189 | 17 |
| Associate's degree | 66 | 5.9 |
| Bachelor's degree | 86 | 7.7 |
| Master's degree | 16 | 1.4 |
| Professional school degree | 5 | 0.4 |
| Doctorate degree | 0 | 0 |
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