This was 17.9 percent lower than the state average of 41 percent. In 2020 the total municipality population reached 15,675.
85.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Hanover for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 1,600 | 14.4 |
| Regular high school diploma | 4,173 | 37.7 |
| GED or alternative credential | 594 | 5.4 |
| Some college, less than 1 year | 914 | 8.2 |
| Some college, 1 or more years, no degree | 1,241 | 11.2 |
| Associate's degree | 558 | 5 |
| Bachelor's degree | 1,227 | 11.1 |
| Master's degree | 600 | 5.4 |
| Professional school degree | 110 | 1 |
| Doctorate degree | 65 | 0.6 |
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