This was 5.1 percent higher than the state average of 39.2 percent. In 2020 the total municipality population reached 172,109.
92.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Peoria city for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 8,943 | 7.5 |
| Regular high school diploma | 22,679 | 19.1 |
| GED or alternative credential | 4,680 | 3.9 |
| Some college, less than 1 year | 9,824 | 8.3 |
| Some college, 1 or more years, no degree | 19,878 | 16.8 |
| Associate's degree | 12,186 | 10.3 |
| Bachelor's degree | 26,179 | 22.1 |
| Master's degree | 10,708 | 9 |
| Professional school degree | 2,262 | 1.9 |
| Doctorate degree | 1,254 | 1.1 |
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