This was 3.4 percent lower than the state average of 37.7 percent. In 2020 the total municipality population reached 3,166.
90.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Madison for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 220 | 9.2 |
| Regular high school diploma | 753 | 31.5 |
| GED or alternative credential | 42 | 1.8 |
| Some college, less than 1 year | 237 | 9.9 |
| Some college, 1 or more years, no degree | 318 | 13.3 |
| Associate's degree | 312 | 13 |
| Bachelor's degree | 320 | 13.4 |
| Master's degree | 153 | 6.4 |
| Professional school degree | 36 | 1.5 |
| Doctorate degree | 0 | 0 |
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