This was 10.6 percent lower than the state average of 41.1 percent. In 2020 the total municipality population reached 901.
93.8 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 | 40 | 6.2 |
| Regular high school diploma | 204 | 31.7 |
| GED or alternative credential | 28 | 4.4 |
| Some college, less than 1 year | 96 | 14.9 |
| Some college, 1 or more years, no degree | 79 | 12.3 |
| Associate's degree | 109 | 17 |
| Bachelor's degree | 63 | 9.8 |
| Master's degree | 18 | 2.8 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 6 | 0.9 |
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