This was 5.9 percent higher than the state average of 38 percent. In 2020 the total municipality population reached 20,273.
92.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Rolla for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 792 | 7.3 |
| Regular high school diploma | 2,107 | 19.4 |
| GED or alternative credential | 606 | 5.6 |
| Some college, less than 1 year | 729 | 6.7 |
| Some college, 1 or more years, no degree | 1,856 | 17.1 |
| Associate's degree | 862 | 7.9 |
| Bachelor's degree | 2,012 | 18.5 |
| Master's degree | 1,149 | 10.6 |
| Professional school degree | 161 | 1.5 |
| Doctorate degree | 579 | 5.3 |

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