This was 19 percent lower than the state average of 34.4 percent. In 2020 the total municipality population reached 906.
86.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Afton for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 83 | 13.9 |
| Regular high school diploma | 231 | 38.8 |
| GED or alternative credential | 50 | 8.4 |
| Some college, less than 1 year | 62 | 10.4 |
| Some college, 1 or more years, no degree | 78 | 13.1 |
| Associate's degree | 48 | 8.1 |
| Bachelor's degree | 41 | 6.9 |
| Master's degree | 3 | 0.5 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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