This was 15.3 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 303.
94.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Opdyke for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 11 | 5.6 |
| Regular high school diploma | 51 | 25.9 |
| GED or alternative credential | 20 | 10.2 |
| Some college, less than 1 year | 16 | 8.1 |
| Some college, 1 or more years, no degree | 43 | 21.8 |
| Associate's degree | 48 | 24.4 |
| Bachelor's degree | 6 | 3 |
| Master's degree | 2 | 1 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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