This was 11.1 percent lower than the state average of 41 percent. In 2020 the total municipality population reached 2,317.
92.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Derry for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 124 | 7.7 |
| Regular high school diploma | 582 | 35.9 |
| GED or alternative credential | 51 | 3.1 |
| Some college, less than 1 year | 121 | 7.5 |
| Some college, 1 or more years, no degree | 257 | 15.9 |
| Associate's degree | 189 | 11.7 |
| Bachelor's degree | 232 | 14.3 |
| Master's degree | 59 | 3.6 |
| Professional school degree | 5 | 0.3 |
| Doctorate degree | 0 | 0 |
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