Kane County, Illinois
Located in Illinois, Kane County has a population of 517,255 residents and a median age of 38.8 years, making it the #141 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.9%. The median home value is $327,000, and the median household income is $103,163, which is 37% above the national median.
Demographics
Kane County has a population of 517,255, making it the #141 most populous county in the US. The median age is 38.8 years, which is 0.3% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Kane County is $103,163, ranking #143 out of 3,222 counties — 37.3% above the national median. The poverty rate is 7.9% and unemployment stands at 4.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Kane County is $327,000 (+16.0% vs national). Renters pay a median of $1,453/mo and the homeownership rate is 76.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Kane County, 38.1% of adults age 25+ hold a bachelor's degree or higher, which is 12.9% above the national average, ranking #343 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Kane County is 79.8 years. 16.0% of adults report poor or fair health and 9.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
12.1% of adults in Kane County smoke , 37.3% are obese , and 20.2% report excessive drinking. The drug overdose death rate is 18.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Kane County is 3.3 per 100,000 and the suicide rate is 9.4 per 100,000. Motor vehicle deaths occur at a rate of 6.9 per 100,000.
Homicide Rate Trend
Families & Children
11.7% of children in Kane County live in poverty and the infant mortality rate is 4.9 per 1,000 live births. The teen birth rate is 12.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Kane County is 66.2%. The mean commute time is 30.7 min, which is 11.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Kane County voted Democratic with a margin of 9.4%. The vote was 54% Dem / 44.6% Rep. Compared to 2020, the margin shifted 5.0 toward Republicans .
Vote Share Over Time
About Kane County, Illinois
Kane County, Illinois has a total population of 517,255, making it the 141st most populous county in the United States. The median age in Kane County is 38.8 years, which is 0.3% below the national median of 38.9 years.
The median household income in Kane County is $103,163, which ranks #143 of 3,222 counties nationwide. This is 37.3% above the national median of $75,149. The poverty rate is 7.9%, lower than the national rate of 12.6%. The unemployment rate stands at 4.8%.
The median home value in Kane County is $327,000, 16.0% above the national median. Renters in Kane County pay a median gross rent of $1,453 per month. The homeownership rate is 76.0%, compared to the national rate of 64.4%.
In Kane County, 38.1% of residents aged 25 and older hold a bachelor's degree or higher, 12.9% above the national average of 33.7%. Health insurance coverage stands at 92.2% of the population. The average commute time for workers is 30.7 min.
Kane County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 54.0% of the population, followed by Hispanic or Latino (33.4%) and Black (non-Hispanic) (4.7%).
All data for Kane County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.