This was 10.9 percent lower than the state average of 42.7 percent. In 2020 the total municipality population reached 1,921.
94.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Wellsville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 65 | 5.2 |
| Regular high school diploma | 393 | 31.3 |
| GED or alternative credential | 51 | 4.1 |
| Some college, less than 1 year | 117 | 9.3 |
| Some college, 1 or more years, no degree | 231 | 18.4 |
| Associate's degree | 171 | 13.6 |
| Bachelor's degree | 167 | 13.3 |
| Master's degree | 51 | 4.1 |
| Professional school degree | 2 | 0.2 |
| Doctorate degree | 8 | 0.6 |

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