This was 3.7 percent higher than the state average of 35.7 percent. In 2020 the total municipality population reached 4,151.
89.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Louisville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 360 | 10.9 |
| Regular high school diploma | 752 | 22.7 |
| GED or alternative credential | 221 | 6.7 |
| Some college, less than 1 year | 322 | 9.7 |
| Some college, 1 or more years, no degree | 355 | 10.7 |
| Associate's degree | 222 | 6.7 |
| Bachelor's degree | 591 | 17.8 |
| Master's degree | 342 | 10.3 |
| Professional school degree | 92 | 2.8 |
| Doctorate degree | 60 | 1.8 |
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