This was 23.6 percent lower than the state average of 41.9 percent. In 2020 the total municipality population reached 2,657.
75.2 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 | 443 | 24.8 |
| Regular high school diploma | 465 | 26 |
| GED or alternative credential | 144 | 8.1 |
| Some college, less than 1 year | 132 | 7.4 |
| Some college, 1 or more years, no degree | 276 | 15.4 |
| Associate's degree | 98 | 5.5 |
| Bachelor's degree | 176 | 9.8 |
| Master's degree | 45 | 2.5 |
| Professional school degree | 8 | 0.4 |
| Doctorate degree | 0 | 0 |
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