This was 17 percent lower than the state average of 43.7 percent. In 2020 the total municipality population reached 4,510.
91.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in West Peoria for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 270 | 8.4 |
| Regular high school diploma | 885 | 27.5 |
| GED or alternative credential | 98 | 3 |
| Some college, less than 1 year | 351 | 10.9 |
| Some college, 1 or more years, no degree | 752 | 23.4 |
| Associate's degree | 291 | 9.1 |
| Bachelor's degree | 359 | 11.2 |
| Master's degree | 133 | 4.1 |
| Professional school degree | 69 | 2.1 |
| Doctorate degree | 6 | 0.2 |

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