This was 12.4 percent lower than the state average of 43.2 percent. In 2020 the total municipality population reached 556.
91.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Dorchester for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 32 | 8.7 | 
| Regular high school diploma | 133 | 36.2 | 
| GED or alternative credential | 25 | 6.8 | 
| Some college, less than 1 year | 19 | 5.2 | 
| Some college, 1 or more years, no degree | 45 | 12.3 | 
| Associate's degree | 59 | 16.1 | 
| Bachelor's degree | 37 | 10.1 | 
| Master's degree | 17 | 4.6 | 
| Professional school degree | 0 | 0 | 
| Doctorate degree | 0 | 0 | 

 
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