This was 31 percent lower than the state average of 38.9 percent. In 2020 the total municipality population reached 1,682.
78 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in McColl for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 255 | 22 |
| Regular high school diploma | 559 | 48.2 |
| GED or alternative credential | 59 | 5.1 |
| Some college, less than 1 year | 47 | 4.1 |
| Some college, 1 or more years, no degree | 147 | 12.7 |
| Associate's degree | 44 | 3.8 |
| Bachelor's degree | 8 | 0.7 |
| Master's degree | 40 | 3.5 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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