Kane County's 2026 population is estimated at 528,509, reflecting a 0.72% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kane County is the 5th largest county in Illinois. The 2010 population was 516,060 and has grown 2.41% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 39.7 years
Male: 37.9 years
There are 393,691 adults, (80,391 of whom are seniors) in Kane County.
Female: 258,151 (49.9%)
Male: 259,104 (50.1%)
The racial composition of Kane County includes 58.04% White, 13.31% other race, 4.96% Black or African American, 4.11% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 300,197 | 58.04% |
| Two or more races | 94,642 | 18.3% |
| Other race | 68,866 | 13.31% |
| Black or African American | 25,661 | 4.96% |
| Asian | 21,270 | 4.11% |
| Native American | 5,972 | 1.15% |
| Native Hawaiian or Pacific Islander | 647 | 0.13% |
Kane County 's average per capita income is $56,790. Household income levels show a median of $103,163. The poverty rate stands at 7.91%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $137,994 | $169,970 |
| Families | $119,856 | $150,820 |
| Households | $103,163 | $131,975 |
| Non Families | $57,096 | $75,093 |
Average Income
Median Household Income
Poverty Rate
