This was 26.6 percent lower than the state average of 40.2 percent. In 2020 the total municipality population reached 453.
62.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Martin for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 109 | 37.1 |
| Regular high school diploma | 67 | 22.8 |
| GED or alternative credential | 18 | 6.1 |
| Some college, less than 1 year | 6 | 2 |
| Some college, 1 or more years, no degree | 54 | 18.4 |
| Associate's degree | 8 | 2.7 |
| Bachelor's degree | 19 | 6.5 |
| Master's degree | 1 | 0.3 |
| Professional school degree | 10 | 3.4 |
| Doctorate degree | 2 | 0.7 |
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