This was 21.5 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 1,352.
87.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Oquawka for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 123 | 12.7 |
| Regular high school diploma | 341 | 35.3 |
| GED or alternative credential | 79 | 8.2 |
| Some college, less than 1 year | 58 | 6 |
| Some college, 1 or more years, no degree | 150 | 15.5 |
| Associate's degree | 87 | 9 |
| Bachelor's degree | 60 | 6.2 |
| Master's degree | 67 | 6.9 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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