This was 13.5 percent higher than the state average of 48.4 percent. In 2020 the total municipality population reached 3,414.
98.8 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 | 25 | 1.2 |
| Regular high school diploma | 293 | 14.1 |
| GED or alternative credential | 68 | 3.3 |
| Some college, less than 1 year | 101 | 4.9 |
| Some college, 1 or more years, no degree | 305 | 14.7 |
| Associate's degree | 377 | 18.1 |
| Bachelor's degree | 652 | 31.3 |
| Master's degree | 205 | 9.9 |
| Professional school degree | 18 | 0.9 |
| Doctorate degree | 36 | 1.7 |
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