This was 36.9 percent higher than the state average of 33.6 percent. In 2020 the total municipality population reached 374.
98.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Richlawn for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 5 | 1.7 |
| Regular high school diploma | 21 | 7 |
| GED or alternative credential | 3 | 1 |
| Some college, less than 1 year | 11 | 3.7 |
| Some college, 1 or more years, no degree | 48 | 16.1 |
| Associate's degree | 13 | 4.4 |
| Bachelor's degree | 93 | 31.2 |
| Master's degree | 65 | 21.8 |
| Professional school degree | 33 | 11.1 |
| Doctorate degree | 6 | 2 |
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