This was 8.1 percent higher than the state average of 52.2 percent. In 2020 the total municipality population reached 256.
98 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Petersham for 2020*
Degree | Number of people | Percentage of population |
---|---|---|
No degree | 4 | 2 |
Regular high school diploma | 37 | 18.1 |
GED or alternative credential | 4 | 2 |
Some college, less than 1 year | 8 | 3.9 |
Some college, 1 or more years, no degree | 28 | 13.7 |
Associate's degree | 16 | 7.8 |
Bachelor's degree | 37 | 18.1 |
Master's degree | 47 | 23 |
Professional school degree | 8 | 3.9 |
Doctorate degree | 15 | 7.4 |