This was 28.6 percent lower than the state average of 48.4 percent. In 2020 the total municipality population reached 1,261.
89.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Winnebago for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 92 | 10.6 |
| Regular high school diploma | 410 | 47 |
| GED or alternative credential | 36 | 4.1 |
| Some college, less than 1 year | 71 | 8.1 |
| Some college, 1 or more years, no degree | 90 | 10.3 |
| Associate's degree | 60 | 6.9 |
| Bachelor's degree | 75 | 8.6 |
| Master's degree | 27 | 3.1 |
| Professional school degree | 9 | 1 |
| Doctorate degree | 2 | 0.2 |
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