This was 15.1 percent lower than the state average of 41.9 percent. In 2020 the total municipality population reached 1,244.
81.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Stoneville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 153 | 18.5 |
| Regular high school diploma | 243 | 29.3 |
| GED or alternative credential | 16 | 1.9 |
| Some college, less than 1 year | 43 | 5.2 |
| Some college, 1 or more years, no degree | 151 | 18.2 |
| Associate's degree | 142 | 17.1 |
| Bachelor's degree | 65 | 7.9 |
| Master's degree | 8 | 1 |
| Professional school degree | 2 | 0.2 |
| Doctorate degree | 5 | 0.6 |
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