This was 37.4 percent lower than the state average of 41 percent. In 2020 the total municipality population reached 120.
85.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Coaldale for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 12 | 14.5 |
| Regular high school diploma | 50 | 60.2 |
| GED or alternative credential | 8 | 9.6 |
| Some college, less than 1 year | 4 | 4.8 |
| Some college, 1 or more years, no degree | 6 | 7.2 |
| Associate's degree | 0 | 0 |
| Bachelor's degree | 3 | 3.6 |
| Master's degree | 0 | 0 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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