This was 0.4 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 112,644.
90.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Peoria for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 7,063 | 9.6 |
| Regular high school diploma | 15,406 | 20.9 |
| GED or alternative credential | 3,152 | 4.3 |
| Some college, less than 1 year | 5,522 | 7.5 |
| Some college, 1 or more years, no degree | 10,672 | 14.5 |
| Associate's degree | 6,170 | 8.4 |
| Bachelor's degree | 15,406 | 20.9 |
| Master's degree | 7,526 | 10.2 |
| Professional school degree | 1,825 | 2.5 |
| Doctorate degree | 1,046 | 1.4 |
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