This was 32.2 percent higher than the state average of 43.7 percent. In 2020 the total municipality population reached 20,300.
97.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Libertyville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 283 | 2.1 |
| Regular high school diploma | 1,086 | 8.1 |
| GED or alternative credential | 129 | 1 |
| Some college, less than 1 year | 462 | 3.4 |
| Some college, 1 or more years, no degree | 1,285 | 9.5 |
| Associate's degree | 515 | 3.8 |
| Bachelor's degree | 5,280 | 39.1 |
| Master's degree | 3,259 | 24.2 |
| Professional school degree | 661 | 4.9 |
| Doctorate degree | 528 | 3.9 |
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