This was 3.8 percent higher than the state average of 41.8 percent. In 2020 the total municipality population reached 1,849.
95 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Roberts for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 57 | 5 |
| Regular high school diploma | 279 | 24.5 |
| GED or alternative credential | 44 | 3.9 |
| Some college, less than 1 year | 62 | 5.4 |
| Some college, 1 or more years, no degree | 179 | 15.7 |
| Associate's degree | 231 | 20.2 |
| Bachelor's degree | 241 | 21.1 |
| Master's degree | 45 | 3.9 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 3 | 0.3 |
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