This was 1.4 percent lower than the state average of 47.4 percent. In 2020 the total municipality population reached 9,928.
92.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Warrenton for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 474 | 7.1 |
| Regular high school diploma | 1,104 | 16.4 |
| GED or alternative credential | 276 | 4.1 |
| Some college, less than 1 year | 761 | 11.3 |
| Some college, 1 or more years, no degree | 1,012 | 15.1 |
| Associate's degree | 641 | 9.5 |
| Bachelor's degree | 1,479 | 22 |
| Master's degree | 760 | 11.3 |
| Professional school degree | 126 | 1.9 |
| Doctorate degree | 81 | 1.2 |
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