This was 17.2 percent lower than the state average of 48.4 percent. In 2020 the total municipality population reached 708.
89.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Alden for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 50 | 10.3 |
| Regular high school diploma | 182 | 37.4 |
| GED or alternative credential | 10 | 2.1 |
| Some college, less than 1 year | 24 | 4.9 |
| Some college, 1 or more years, no degree | 69 | 14.2 |
| Associate's degree | 95 | 19.5 |
| Bachelor's degree | 41 | 8.4 |
| Master's degree | 11 | 2.3 |
| Professional school degree | 5 | 1 |
| Doctorate degree | 0 | 0 |
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