This was 25.2 percent lower than the state average of 41.1 percent. In 2020 the total municipality population reached 147.
89.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Barnes for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 11 | 10.3 |
| Regular high school diploma | 45 | 42.1 |
| GED or alternative credential | 6 | 5.6 |
| Some college, less than 1 year | 18 | 16.8 |
| Some college, 1 or more years, no degree | 10 | 9.3 |
| Associate's degree | 13 | 12.1 |
| Bachelor's degree | 3 | 2.8 |
| Master's degree | 1 | 0.9 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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