This was 12.9 percent higher than the state average of 41.1 percent. In 2020 the total municipality population reached 1,890.
96.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Granger for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 39 | 3.3 |
| Regular high school diploma | 297 | 25 |
| GED or alternative credential | 21 | 1.8 |
| Some college, less than 1 year | 61 | 5.1 |
| Some college, 1 or more years, no degree | 128 | 10.8 |
| Associate's degree | 174 | 14.7 |
| Bachelor's degree | 366 | 30.8 |
| Master's degree | 71 | 6 |
| Professional school degree | 30 | 2.5 |
| Doctorate degree | 0 | 0 |
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