This was 33 percent higher than the state average of 46.3 percent. In 2020 the total municipality population reached 2,888.
98.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Roslyn for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 45 | 1.9 |
| Regular high school diploma | 260 | 10.9 |
| GED or alternative credential | 6 | 0.3 |
| Some college, less than 1 year | 23 | 1 |
| Some college, 1 or more years, no degree | 161 | 6.7 |
| Associate's degree | 55 | 2.3 |
| Bachelor's degree | 861 | 36 |
| Master's degree | 577 | 24.1 |
| Professional school degree | 291 | 12.2 |
| Doctorate degree | 114 | 4.8 |
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