This was 3.3 percent higher than the state average of 48.5 percent. In 2020 the total municipality population reached 475.
95.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Wilmington for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 18 | 4.9 |
| Regular high school diploma | 74 | 19.9 |
| GED or alternative credential | 28 | 7.5 |
| Some college, less than 1 year | 38 | 10.2 |
| Some college, 1 or more years, no degree | 21 | 5.7 |
| Associate's degree | 24 | 6.5 |
| Bachelor's degree | 105 | 28.3 |
| Master's degree | 7 | 1.9 |
| Professional school degree | 55 | 14.8 |
| Doctorate degree | 1 | 0.3 |
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