This was 0.2 percent lower than the state average of 39.6 percent. In 2020 the total municipality population reached 438.
94 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Interlochen for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 25 | 6 |
| Regular high school diploma | 86 | 20.8 |
| GED or alternative credential | 13 | 3.1 |
| Some college, less than 1 year | 44 | 10.6 |
| Some college, 1 or more years, no degree | 83 | 20 |
| Associate's degree | 59 | 14.3 |
| Bachelor's degree | 100 | 24.2 |
| Master's degree | 2 | 0.5 |
| Professional school degree | 2 | 0.5 |
| Doctorate degree | 0 | 0 |
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