Kankakee County's 2026 population is estimated at 106,458, reflecting a 0.02% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kankakee County is the 18th largest county in Illinois. The 2010 population was 113,420 and has grown -6.14% since 2010.
Data after 2023 is projected based on recent change
Overall: 39 years
Female: 40.5 years
Male: 38.2 years
There are 82,363 adults, (19,030 of whom are seniors) in Kankakee County.
Female: 53,838 (50.5%)
Male: 52,797 (49.5%)
The racial composition of Kankakee County includes 73.4% White, 14.32% Black or African American, 3.46% other race, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 78,270 | 73.4% |
| Black or African American | 15,265 | 14.32% |
| Two or more races | 7,858 | 7.37% |
| Other race | 3,688 | 3.46% |
| Asian | 1,067 | 1% |
| Native American | 487 | 0.46% |
Kankakee County 's average per capita income is $49,567. Household income levels show a median of $71,281. The poverty rate stands at 12.2%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $114,617 | $130,496 |
| Families | $88,854 | $111,126 |
| Households | $71,281 | $94,302 |
| Non Families | $45,811 | $59,774 |
Average Income
Median Household Income
Poverty Rate
