Kane County Flag

Kane County

State:
Illinois
County Seat:
Geneva

Kane County's estimated 2025 population is 516,668 with a growth rate of 0.16% in the past year according to the most recent United States census data. Kane County is the 5th largest county in Illinois. The 2010 population was 516,060 and has seen a growth of 0.12% since that time.

516,668
Total Population
996
Population Density (mi²)
5
Population Rank (State)
843 0.16%
Annual Population Growth

Kane County Population

Demographics

Economics and Income Statistics