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Demographics of Kane County, Illinois

Kane County, Illinois had 525,757 people on July 1, 2025, by the Census Bureau’s estimate: +9,393 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Kane County, in four figures

525,757
Population
July 1, 2025, Vintage 2025 estimate.
+1.8%
Change since July 2020
+9,393 people.
38.8 ±0.2
Median age
ACS 2020–⁠2024.
$103,163 ±$2,082
Median household income
ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Kane County, Illinois's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Kane County, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Kane County, Illinois's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Kane County, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1PopulationIndexUnited States
2020516,364100.0100.0
2021516,626100.1100.2
2022515,28599.8100.7
2023518,295100.4101.6
2024523,430101.4102.5
2025525,757101.8103.1

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Population of Kane County, Illinois on July 1 of each year, Vintage 2025
July 1PopulationChange
2020516,364−345
2021516,626+262
2022515,285−1,341
2023518,295+3,010
2024523,430+5,135
2025525,757+2,327

Age, 2020–2024

The median age is 38.8 ±0.2: for men 37.9 ±0.3 and for women 39.7 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Kane County by age, ACS 2020–2024
AgePeopleShare
Under 529,631 ±275.7% ±<0.1
5 to 1793,933 ±1,81418.2% ±0.4
18 to 2446,758 ±1,1939.0% ±0.2
25 to 44130,600 ±1,57025.2% ±0.3
45 to 64135,942 ±1,75226.3% ±0.3
65 and over80,391 ±1,95315.5% ±0.4

Income and poverty, 2020–2024

Median household income is $103,163 ±$2,082, and income per person $47,482 ±$817, in 2024 dollars. The median is $83,390 ±$362 in Illinois and $80,734 ±$166 in the United States.

Households by income

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Households in Kane County by income, ACS 2020–2024
Household incomeHouseholdsShare
Under $25,00016,630 ±1,2269.0% ±0.7
$25,000 to $49,99923,399 ±1,33412.7% ±0.7
$50,000 to $74,99925,758 ±1,33713.9% ±0.7
$75,000 to $99,99923,472 ±1,47312.7% ±0.8
$100,000 to $149,99938,351 ±1,83220.8% ±1.0
$150,000 to $199,99924,054 ±1,13713.0% ±0.6
$200,000 or more33,042 ±1,29917.9% ±0.7

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Kane County by age, ACS 2020–2024
AgeBelow povertyRate
All ages40,407 ±2,5747.9% ±0.5
Under 1813,560 ±1,08211.1% ±0.9
18 to 5919,072 ±1,1766.8% ±0.4
60 and over7,775 ±9097.0% ±0.8

Housing, 2020–2024

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Housing in Kane County, ACS 2020–2024
MeasureKane CountyIllinois
Housing units190,921 ±1195,457,452 ±471
Occupied96.7% ±0.492.3% ±0.1
Vacant3.3% ±0.47.7% ±0.1
Owner occupied76.0% ±0.767.1% ±0.3
Renter occupied24.0% ±0.832.9% ±0.2
Median home value$327,000 ±$4,132$263,300 ±$797
Median gross rent$1,453 ±$31$1,274 ±$5
Median year built1985 ±21971 ±2

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Kane County by Hispanic origin and race, ACS 2020–2024
OriginPeopleShare
Hispanic or Latino172,723 ±033.4% ±<0.1
White alone, not Hispanic279,104 ±99054.0% ±0.2
Black alone, not Hispanic24,561 ±9384.7% ±0.2
Asian alone, not Hispanic20,876 ±8284.0% ±0.2
American Indian and Alaska Native alone, not Hispanic324 ±920.1% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic254 ±24< 0.1% ±<0.1
Some other race alone, not Hispanic1,937 ±5910.4% ±0.1
Two or more races, not Hispanic17,476 ±1,5723.4% ±0.3

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Kane County by place of birth and citizenship, ACS 2020–2024
BornPeopleShare
Born in the state340,668 ±2,92265.9% ±0.6
Born in another state78,808 ±2,43515.2% ±0.5
Born a citizen outside the states8,740 ±1,1051.7% ±0.2
Born abroad89,039 ±2,07317.2% ±0.4
Naturalized citizens42,650 ±2,0158.2% ±0.4
Not citizens46,389 ±1,7729.0% ±0.3

Kane County among the counties of Illinois

5th of 102 by population, July 2025. Every one is listed on the Illinois page.

Counties of Illinois near Kane County in population, July 2025
CountyJuly 2025Change since 2020
Cook County5,194,625−1.3%
DuPage County934,298+0.3%
Lake County719,339+0.8%
Will County712,253+2.2%
Kane County525,757+1.8%
McHenry County317,751+2.5%
Winnebago County283,674−0.4%
Madison County263,110−1.0%
St. Clair County250,708−2.5%
Champaign County209,972+1.8%

Elsewhere on the site

Sources

Data retrieved