This was 28.9 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 2,941.
80.4 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 | 470 | 19.6 |
| Regular high school diploma | 598 | 25 |
| GED or alternative credential | 222 | 9.3 |
| Some college, less than 1 year | 165 | 6.9 |
| Some college, 1 or more years, no degree | 586 | 24.5 |
| Associate's degree | 177 | 7.4 |
| Bachelor's degree | 130 | 5.4 |
| Master's degree | 15 | 0.6 |
| Professional school degree | 19 | 0.8 |
| Doctorate degree | 13 | 0.5 |
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