This was 1 percent higher than the state average of 50.1 percent. In 2020 the total municipality population reached 349.
98.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Wiley town for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 3 | 1.1 |
| Regular high school diploma | 46 | 17.2 |
| GED or alternative credential | 13 | 4.9 |
| Some college, less than 1 year | 1 | 0.4 |
| Some college, 1 or more years, no degree | 68 | 25.4 |
| Associate's degree | 34 | 12.7 |
| Bachelor's degree | 73 | 27.2 |
| Master's degree | 25 | 9.3 |
| Professional school degree | 5 | 1.9 |
| Doctorate degree | 0 | 0 |
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