This was 10.1 percent lower than the state average of 42.7 percent. In 2020 the total municipality population reached 788.
92.5 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 | 40 | 7.5 |
| Regular high school diploma | 162 | 30.3 |
| GED or alternative credential | 35 | 6.6 |
| Some college, less than 1 year | 51 | 9.6 |
| Some college, 1 or more years, no degree | 72 | 13.5 |
| Associate's degree | 64 | 12 |
| Bachelor's degree | 81 | 15.2 |
| Master's degree | 29 | 5.4 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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