This was 18.5 percent lower than the state average of 46.3 percent. In 2020 the total municipality population reached 4,162.
81.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Liberty for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 471 | 18.1 |
| Regular high school diploma | 781 | 30.1 |
| GED or alternative credential | 256 | 9.8 |
| Some college, less than 1 year | 61 | 2.3 |
| Some college, 1 or more years, no degree | 308 | 11.9 |
| Associate's degree | 345 | 13.3 |
| Bachelor's degree | 128 | 4.9 |
| Master's degree | 142 | 5.5 |
| Professional school degree | 79 | 3 |
| Doctorate degree | 28 | 1.1 |
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