This was 29.8 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 346.
91.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Martinton for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 20 | 8.4 |
| Regular high school diploma | 85 | 35.9 |
| GED or alternative credential | 19 | 8 |
| Some college, less than 1 year | 40 | 16.9 |
| Some college, 1 or more years, no degree | 40 | 16.9 |
| Associate's degree | 19 | 8 |
| Bachelor's degree | 9 | 3.8 |
| Master's degree | 4 | 1.7 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 1 | 0.4 |
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