This was 11.3 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 210.
95.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Troy Grove for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 6 | 4.3 |
| Regular high school diploma | 46 | 33.1 |
| GED or alternative credential | 5 | 3.6 |
| Some college, less than 1 year | 21 | 15.1 |
| Some college, 1 or more years, no degree | 16 | 11.5 |
| Associate's degree | 29 | 20.9 |
| Bachelor's degree | 12 | 8.6 |
| Master's degree | 0 | 0 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 4 | 2.9 |
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