This was 31.7 percent higher than the state average of 43.7 percent. In 2020 the total municipality population reached 147,734.
96.8 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Naperville for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 3,109 | 3.2 |
| Regular high school diploma | 8,236 | 8.4 |
| GED or alternative credential | 1,046 | 1.1 |
| Some college, less than 1 year | 3,260 | 3.3 |
| Some college, 1 or more years, no degree | 8,650 | 8.8 |
| Associate's degree | 5,384 | 5.5 |
| Bachelor's degree | 39,440 | 40 |
| Master's degree | 22,464 | 22.8 |
| Professional school degree | 3,789 | 3.8 |
| Doctorate degree | 3,212 | 3.3 |
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