This was 15.8 percent lower than the state average of 28.9 percent. In 2020 the total municipality population reached 2,857.
83.2 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Welch for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 401 | 16.8 |
| Regular high school diploma | 758 | 31.8 |
| GED or alternative credential | 455 | 19.1 |
| Some college, less than 1 year | 193 | 8.1 |
| Some college, 1 or more years, no degree | 267 | 11.2 |
| Associate's degree | 130 | 5.4 |
| Bachelor's degree | 91 | 3.8 |
| Master's degree | 78 | 3.3 |
| Professional school degree | 13 | 0.5 |
| Doctorate degree | 0 | 0 |
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