This was 12.2 percent lower than the state average of 38 percent. In 2020 the total municipality population reached 455.
92.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Crystal Lakes for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 24 | 7.6 |
| Regular high school diploma | 123 | 39.2 |
| GED or alternative credential | 19 | 6.1 |
| Some college, less than 1 year | 38 | 12.1 |
| Some college, 1 or more years, no degree | 29 | 9.2 |
| Associate's degree | 42 | 13.4 |
| Bachelor's degree | 31 | 9.9 |
| Master's degree | 7 | 2.2 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 1 | 0.3 |
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