Kane County, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in Illinois
The population of Kane County, Illinois is 516,097 as of the 2023 American Community Survey, making it the 5th-largest county in Illinois. The median household income is $100,678, the median home value is $303,000, and the median age is 38.6.
The population of Kane County has grown 1.0% since 2010 (516,060 → 520,997), a +0.07% annualized rate.
516,097
Population
+0.07%
Annual growth
994
People / sq mi
$100,678
Median Income
$303,000
Median Home Value
Kane County covers 519 sq mi of land at 993.9 people per square mile.
About Kane County, IL
What sets Kane County apart is money: median household income runs $100,678, above the US median of $78,538. With 516,097 residents, Kane County is a county in Illinois. It is the #5-largest of all counties in Illinois nationally.
Households here are among the highest-earning of all US counties: median income is $100,678, above the US median of $78,538. The poverty rate, 6.1%, is on the lower side for US counties and below the national 12.4%. A typical home is worth $303,000, with typical rent around $1,404.
College attainment is above the local norm at 37.5%, above the national 35.0%. Remote work is on the higher side at 14.4%, close to the national 14.0%, and the average commute runs about 28 minutes each way.
Taken together, the income and housing figures place Kane County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Kane County Population History (2010-2024)
The county of Kane County had a population of 516,060 in 2010 and 520,997 in 2024, a 1.0% growth over 14 years. The peak was 532,838 in 2018. Average annual growth rate: 0.07%.
520,997
Population (2024)
516,060
Population (2010)
532,838
Peak (2018)
0.07%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 516,060 |
| 2011 | 519,091 |
| 2012 | 520,615 |
| 2013 | 522,523 |
| 2014 | 525,476 |
| 2015 | 528,562 |
| 2016 | 530,540 |
| 2017 | 532,101 |
| 2018 | 532,838 |
| 2019 | 532,293 |
| 2020 | 516,403 |
| 2021 | 516,564 |
| 2022 | 515,070 |
| 2023 | 517,241 |
| 2024 | 520,997 |
Race & Ethnicity
| White | 61.7% |
| Black or African American | 5.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Age & Sex
38.6
Median Age
49.9%
Female
50.1%
Male
15.0%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 15.0%
Income & Poverty
| Median household income | $100,678+$18,976 vs state |
| Mean household income | $128,682 |
| Per-capita income | $46,013 |
| Poverty rate | 6.1%-2.1% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 66.0% |
Top Industries by Employment
The largest employment sector in Kane County is professional & business services, accounting for 19.7% of workers.
How residents commute
1.7%
Drive alone
1.3%
Carpool
71.9%
Public transit
14.4%
Work from home
28.3 min
Avg commute
Housing
$303,000+$52,500 vs state
Median home value
$1,404
Median rent
75.7%
Homeownership rate
189,918
Total housing units
96.5%
Occupied
3.5%
Vacant
24.3%
Renter-occupied
Social & access
92.1%
With health insurance
96.6%
With broadband internet
15.2%
Foreign-born
4.6%
Veterans (18+)
9.5%
With a disability
68.0%
Speak language other than English at home
Education
87.0%
High School+
37.5%
Bachelor's+
Largest cities in Illinois
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County rankings
Common questions about Kane County, IL
Frequently Asked Questions
Kane County, Illinois has a population of 516,097 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in Illinois. Population density is 994 people per square mile.
The population of Kane County has grown 1.0% since 2010 (516,060 → 520,997), a +0.07% annualized rate.
The median household income in Kane County, Illinois is $100,678, with mean (average) household income of $128,682 and per-capita income of $46,013. 6.1% of residents live below the federal poverty level.
In Kane County, the largest racial and ethnic groups are White (61.7%), Black or African American (5.1%), Hispanic or Latino (2.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Kane County, Illinois is 38.6 years. Residents are 49.9% female and 50.1% male.
The median home value in Kane County is $303,000 and median monthly rent is $1,404. 75.7% of occupied housing units are owner-occupied. The county has 189,918 total housing units, 3.5% of which are vacant.
The largest employment sector in Kane County, Illinois is professional, scientific, and management services, employing 19.7% of workers. The unemployment rate is 3.5%.
Chicago is among the largest cities associated with Kane County, Illinois, with a population of 2,707,648.
Kane County, IL Climate
Kane County, IL has an average annual temperature of 8.8°C (48°F) and receives about 936 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.8°C
Avg Temp
936
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -7° / 19° | 39 mm |
| February | -4° / 25° | 32 mm |
| March | 2° / 36° | 63 mm |
| April | 9° / 47° | 95 mm |
| May | 15° / 59° | 95 mm |
| June | 20° / 69° | 109 mm |
| July | 22° / 72° | 103 mm |
| August | 21° / 70° | 105 mm |
| September | 17° / 63° | 99 mm |
| October | 11° / 51° | 66 mm |
| November | 3° / 38° | 75 mm |
| December | -4° / 25° | 55 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Kane County, IL
The most comfortable months to visit Kane County, IL are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -12°C low). June is usually the wettest month.
Where to stay near Kane County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.