This was 14.6 percent lower than the state average of 41 percent. In 2020 the total municipality population reached 4,580.
90.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Donora for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 331 | 9.9 |
| Regular high school diploma | 1,349 | 40.5 |
| GED or alternative credential | 119 | 3.6 |
| Some college, less than 1 year | 244 | 7.3 |
| Some college, 1 or more years, no degree | 409 | 12.3 |
| Associate's degree | 414 | 12.4 |
| Bachelor's degree | 369 | 11.1 |
| Master's degree | 96 | 2.9 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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