This was 20.5 percent lower than the state average of 35.7 percent. In 2020 the total municipality population reached 720.
86.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Ethridge for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 51 | 13.1 |
| Regular high school diploma | 126 | 32.4 |
| GED or alternative credential | 74 | 19 |
| Some college, less than 1 year | 57 | 14.7 |
| Some college, 1 or more years, no degree | 22 | 5.7 |
| Associate's degree | 28 | 7.2 |
| Bachelor's degree | 31 | 8 |
| Master's degree | 0 | 0 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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