This was 21.7 percent lower than the state average of 43.2 percent. In 2020 the total municipality population reached 405.
81.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Allen for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 50 | 18.2 |
| Regular high school diploma | 92 | 33.5 |
| GED or alternative credential | 10 | 3.6 |
| Some college, less than 1 year | 32 | 11.6 |
| Some college, 1 or more years, no degree | 32 | 11.6 |
| Associate's degree | 24 | 8.7 |
| Bachelor's degree | 28 | 10.2 |
| Master's degree | 5 | 1.8 |
| Professional school degree | 1 | 0.4 |
| Doctorate degree | 1 | 0.4 |
Alerts Sign-up