This was 25.1 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 10,319.
92.2 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Sauk for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 471 | 7.8 |
| Regular high school diploma | 2,202 | 36.6 |
| GED or alternative credential | 332 | 5.5 |
| Some college, less than 1 year | 571 | 9.5 |
| Some college, 1 or more years, no degree | 1,318 | 21.9 |
| Associate's degree | 380 | 6.3 |
| Bachelor's degree | 557 | 9.3 |
| Master's degree | 166 | 2.8 |
| Professional school degree | 7 | 0.1 |
| Doctorate degree | 10 | 0.2 |

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