This was 4.3 percent lower than the state average of 47.4 percent. In 2020 the total municipality population reached 25,290.
90.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Salem for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 1,585 | 9.2 |
| Regular high school diploma | 3,879 | 22.4 |
| GED or alternative credential | 907 | 5.2 |
| Some college, less than 1 year | 1,880 | 10.9 |
| Some college, 1 or more years, no degree | 1,601 | 9.3 |
| Associate's degree | 2,213 | 12.8 |
| Bachelor's degree | 3,088 | 17.8 |
| Master's degree | 1,630 | 9.4 |
| Professional school degree | 261 | 1.5 |
| Doctorate degree | 256 | 1.5 |
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