This was 7.9 percent lower than the state average of 31.3 percent. In 2020 the total municipality population reached 1,055.
79.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Madison city for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 135 | 20.5 |
| Regular high school diploma | 175 | 26.6 |
| GED or alternative credential | 35 | 5.3 |
| Some college, less than 1 year | 54 | 8.2 |
| Some college, 1 or more years, no degree | 106 | 16.1 |
| Associate's degree | 90 | 13.7 |
| Bachelor's degree | 28 | 4.2 |
| Master's degree | 36 | 5.5 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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