| Name | Peoria County |
| State | Illinois |
| FIPS Code | 17143 |
| County Seat | Peoria |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 178,735 |
| Population Growth Rate(2020-2024) | -1.84% |
| Majority Ethnicity | White 70.95% |
| Public School Majority Ethnicity | White 47% |
| Partisan Voting Index | Democratic:+2 |
| Unemployment Rate (May 2026) | 6.2% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 309 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 70.95% |
| African American | 18.13% |
| Hispanic | 5.95% |
| Asian | 4.66% |
| Native American | 0.25% |
| Hawaiin/Pacific Islander | 0.06% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 47.01% |
| African American | 31.71% |
| Hispanic | 8.81% |
| Asian | 4.6% |
| Native American | 0.28% |
| Hawaiin/Pacific Islander | 0.13% |