Peoria County's estimated 2026 population is 178,565 with a growth rate of 0.01% in the past year according to the most recent United States census data. Peoria County is the 12th largest county in Illinois. The 2010 population was 186,224 and has seen a growth of -4.11% since that time.
Data after 2023 is projected based on recent change
Overall: 38.1 years
Female: 39.3 years
Male: 37.1 years
There are 136,674 adults, (32,813 of whom are seniors) in Peoria County.
Female: 92,050 (51.2%)
Male: 87,595 (48.8%)
The racial composition of Peoria County includes 67.29% White, 17.34% Black or African American, 4.62% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 120,891 | 67.29% |
| Black or African American | 31,145 | 17.34% |
| Two or more races | 14,144 | 7.87% |
| Asian | 8,302 | 4.62% |
| Other race | 4,542 | 2.53% |
| Native American | 509 | 0.28% |
| Native Hawaiian or Pacific Islander | 112 | 0.06% |
Peoria County's average per capita income is $50,113. Household income levels show a median of $65,108. The poverty rate stands at 15.67%.
Name | Median | Mean |
|---|---|---|
| Married Families | $112,396 | $141,599 |
| Families | $88,221 | $116,062 |
| Households | $65,108 | $92,598 |
| Non Families | $40,308 | $57,597 |
Average Income
Median Household Income
Poverty Rate
