This was 24.9 percent lower than the state average of 33.6 percent. In 2020 the total municipality population reached 227.
70.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Rockport for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 47 | 29.2 |
| Regular high school diploma | 49 | 30.4 |
| GED or alternative credential | 23 | 14.3 |
| Some college, less than 1 year | 19 | 11.8 |
| Some college, 1 or more years, no degree | 9 | 5.6 |
| Associate's degree | 7 | 4.3 |
| Bachelor's degree | 5 | 3.1 |
| Master's degree | 2 | 1.2 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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