This was 14.6 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 1,449.
89.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Granville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 107 | 10.3 |
| Regular high school diploma | 361 | 34.7 |
| GED or alternative credential | 38 | 3.7 |
| Some college, less than 1 year | 88 | 8.5 |
| Some college, 1 or more years, no degree | 144 | 13.8 |
| Associate's degree | 107 | 10.3 |
| Bachelor's degree | 122 | 11.7 |
| Master's degree | 61 | 5.9 |
| Professional school degree | 9 | 0.9 |
| Doctorate degree | 4 | 0.4 |
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