This was 3.2 percent higher than the state average of 43.7 percent. In 2020 the total municipality population reached 840.
98.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Congerville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 8 | 1.7 |
| Regular high school diploma | 143 | 30.5 |
| GED or alternative credential | 2 | 0.4 |
| Some college, less than 1 year | 42 | 9 |
| Some college, 1 or more years, no degree | 54 | 11.5 |
| Associate's degree | 109 | 23.2 |
| Bachelor's degree | 86 | 18.3 |
| Master's degree | 19 | 4.1 |
| Professional school degree | 3 | 0.6 |
| Doctorate degree | 3 | 0.6 |
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