This was 25.1 percent lower than the state average of 41.9 percent. In 2020 the total municipality population reached 1,290.
74.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Gaston for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 235 | 25.9 |
| Regular high school diploma | 287 | 31.6 |
| GED or alternative credential | 100 | 11 |
| Some college, less than 1 year | 40 | 4.4 |
| Some college, 1 or more years, no degree | 94 | 10.3 |
| Associate's degree | 83 | 9.1 |
| Bachelor's degree | 60 | 6.6 |
| Master's degree | 8 | 0.9 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 2 | 0.2 |
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