This was 15 percent lower than the state average of 40.5 percent. In 2020 the total municipality population reached 1,242.
76.2 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Astor for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 243 | 23.8 |
| Regular high school diploma | 236 | 23.2 |
| GED or alternative credential | 74 | 7.3 |
| Some college, less than 1 year | 109 | 10.7 |
| Some college, 1 or more years, no degree | 97 | 9.5 |
| Associate's degree | 48 | 4.7 |
| Bachelor's degree | 194 | 19 |
| Master's degree | 8 | 0.8 |
| Professional school degree | 10 | 1 |
| Doctorate degree | 0 | 0 |
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