This was 11.3 percent lower than the state average of 38 percent. In 2020 the total municipality population reached 3,135.
88.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Bethany for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 264 | 11.9 |
| Regular high school diploma | 827 | 37.2 |
| GED or alternative credential | 96 | 4.3 |
| Some college, less than 1 year | 140 | 6.3 |
| Some college, 1 or more years, no degree | 302 | 13.6 |
| Associate's degree | 266 | 12 |
| Bachelor's degree | 220 | 9.9 |
| Master's degree | 81 | 3.6 |
| Professional school degree | 18 | 0.8 |
| Doctorate degree | 7 | 0.3 |
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