This was 20.7 percent higher than the state average of 47.7 percent. In 2020 the total municipality population reached 68,155.
92.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Rockville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 3,773 | 7.7 |
| Regular high school diploma | 4,440 | 9.1 |
| GED or alternative credential | 492 | 1 |
| Some college, less than 1 year | 1,852 | 3.8 |
| Some college, 1 or more years, no degree | 4,873 | 10 |
| Associate's degree | 2,057 | 4.2 |
| Bachelor's degree | 13,836 | 28.3 |
| Master's degree | 10,531 | 21.6 |
| Professional school degree | 2,782 | 5.7 |
| Doctorate degree | 4,202 | 8.6 |
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