This was 4.9 percent lower than the state average of 41.8 percent. In 2020 the total municipality population reached 1,082.
94.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Oakfield for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 46 | 5.6 |
| Regular high school diploma | 303 | 36.9 |
| GED or alternative credential | 11 | 1.3 |
| Some college, less than 1 year | 61 | 7.4 |
| Some college, 1 or more years, no degree | 97 | 11.8 |
| Associate's degree | 94 | 11.4 |
| Bachelor's degree | 154 | 18.8 |
| Master's degree | 25 | 3 |
| Professional school degree | 4 | 0.5 |
| Doctorate degree | 26 | 3.2 |
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