This was 7.3 percent lower than the state average of 39.6 percent. In 2020 the total municipality population reached 9,987.
93.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Alpena for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 495 | 6.7 |
| Regular high school diploma | 2,088 | 28.2 |
| GED or alternative credential | 341 | 4.6 |
| Some college, less than 1 year | 765 | 10.3 |
| Some college, 1 or more years, no degree | 1,334 | 18 |
| Associate's degree | 1,107 | 14.9 |
| Bachelor's degree | 803 | 10.8 |
| Master's degree | 406 | 5.5 |
| Professional school degree | 63 | 0.8 |
| Doctorate degree | 13 | 0.2 |

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