This was 13.6 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 2,840.
85.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Arcola for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 265 | 14.9 |
| Regular high school diploma | 548 | 30.8 |
| GED or alternative credential | 85 | 4.8 |
| Some college, less than 1 year | 129 | 7.3 |
| Some college, 1 or more years, no degree | 217 | 12.2 |
| Associate's degree | 171 | 9.6 |
| Bachelor's degree | 227 | 12.8 |
| Master's degree | 97 | 5.5 |
| Professional school degree | 9 | 0.5 |
| Doctorate degree | 31 | 1.7 |
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