This was 6.9 percent lower than the state average of 40.9 percent. In 2020 the total municipality population reached 386.
91.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Bonesteel for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 22 | 8.7 |
| Regular high school diploma | 81 | 32 |
| GED or alternative credential | 2 | 0.8 |
| Some college, less than 1 year | 18 | 7.1 |
| Some college, 1 or more years, no degree | 44 | 17.4 |
| Associate's degree | 27 | 10.7 |
| Bachelor's degree | 42 | 16.6 |
| Master's degree | 14 | 5.5 |
| Professional school degree | 2 | 0.8 |
| Doctorate degree | 1 | 0.4 |
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