Kendall County's estimated 2026 population is 147,815 with a growth rate of 1.61% in the past year according to the most recent United States census data. Kendall County is the 14th largest county in Illinois. The 2010 population was 115,369 and has seen a growth of 28.12% since that time.
Data after 2023 is projected based on recent change
Overall: 36.3 years
Female: 37.2 years
Male: 35.5 years
There are 100,437 adults, (15,466 of whom are seniors) in Kendall County.
Female: 68,850 (50%)
Male: 68,825 (50%)
The racial composition of Kendall County includes 65.27% White, 7.68% Black or African American, 5.03% other race, 3.63% Asian, and smaller percentages for Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 89,865 | 65.27% |
| Two or more races | 24,391 | 17.72% |
| Black or African American | 10,573 | 7.68% |
| Other race | 6,920 | 5.03% |
| Asian | 4,997 | 3.63% |
| Native American | 929 | 0.67% |
Kendall County's average per capita income is $62,284. Household income levels show a median of $111,601. The poverty rate stands at 5.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $135,889 | $154,982 |
| Families | $121,304 | $139,006 |
| Households | $111,601 | $129,379 |
| Non Families | $66,895 | $85,782 |
Average Income
Median Household Income
Poverty Rate