County · Illinois
Kane County, Illinois
Kane County, Illinois. Kane County had 525,757 residents in 2025 by the Census Bureau's estimate, up 1.8% since 2020, while Illinois shrank 0.8%. It holds 47 places (30 cities, villages and boroughs, 16 towns and townships and 1 census-designated) and 104 census tracts. GEOID 17089.
Kane County is one of the 13 counties of the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
525,757
Census Bureau estimate (no margin published)
2020 Census count: 516,522 · ACS 2020-2024: 517,255
Median household income
$103,163
±$2,082 (90% margin)
Illinois: $83,390
Median home value
$327,000
±$4,132 (90% margin)
Illinois: $263,300
Median gross rent
$1,453
±$31 (90% margin)
Illinois: $1,274
How many people live in Kane County, and is it growing?
The 2020 Census counted 516,522 residents in Kane County. The Census Bureau estimates 525,757 for July 1, 2025, up 1.8% since 2020, while Illinois shrank 0.8%. The 2020-2024 American Community Survey puts the population at 517,255 over 519 square miles of land.
| Measure | Kane County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Total population | 517,255 | 12,694,798 | −14,121 |
| Households | 184,706±796 | 5,036,449 | +5,069 |
| Average household size | 2.77±0.01 | 2.46 | −0.16 |
| Housing units | 190,921±119 | 5,457,452 | +2,954 |
Kane County's population since 2000
From 404,119 in 2000 to 525,757 in 2025: up 30.1%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Kane County?
Kane County holds 47 places: 30 cities, villages and boroughs (incorporated places), 16 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Aurora Township with 127,446 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Aurora Township | 126,929 | $76,459 |
|---|---|---|
| Aurora | 180,542 | $93,633 |
| Elgin Township | 104,493 | $92,771 |
| Elgin | 114,797 | $90,282 |
| Dundee Township | 64,722 | $98,089 |
| St. Charles Township | 51,902 | $128,204 |
| Carpentersville | 37,983 | $86,917 |
| Batavia Township | 35,363 | $131,798 |
| St. Charles | 33,081 | $114,300 |
| Rutland Township, Kane County | 26,666 | $105,703 |
| Geneva Township | 26,396 | $141,890 |
| Batavia | 26,098 | $120,056 |
| South Elgin | 23,865 | $127,203 |
| Geneva | 21,393 | $144,341 |
| Sugar Grove Township | 20,684 | $125,078 |
| North Aurora | 18,261 | $114,305 |
| Blackberry Township | 17,329 | $156,494 |
| Campton Township | 17,064 | $181,066 |
| Campton Hills | 10,885 | $209,134 |
| Pingree Grove | 10,365 | $114,294 |
| Plato Township | 9,296 | $154,851 |
| Sugar Grove | 9,278 | $121,207 |
| Hampshire Township | 9,023 | $110,313 |
| Montgomery | 20,262 | $103,734 |
| Gilberts | 8,366 | $146,333 |
| Algonquin | 29,700 | $134,525 |
| West Dundee | 7,686 | $105,368 |
| Hampshire | 7,667 | $94,773 |
| Elburn | 6,175 | $127,731 |
| Huntley | 27,740 | $88,536 |
| Sleepy Hollow | 3,214 | $149,813 |
| East Dundee | 3,152 | $89,583 |
| Virgil Township | 1,921 | $114,063 |
| Burlington Township | 1,810 | $123,836 |
| Big Rock Township | 1,768 | $158,250 |
| PrestburyGEOID 1761821 | 1,657 | $165,486 |
| Kaneville Township | 1,156 | $132,750 |
| Big RockGEOID 1705976 | 1,104 | $162,854 |
| Lily Lake | 1,032 | $140,313 |
| Wayne | 2,286 | $161,719 |
| Maple Park | 1,433 | $107,045 |
| Burlington | 535 | $84,219 |
| Kaneville | 452 | $86,875 |
| Virgil | 289 | $93,542 |
| Barrington Hills | 4,114 | $205,074 |
| Bartlett | 41,105 | $133,240 |
| Hoffman Estates | 52,530 | $106,806 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Kane County?
The median resident of Kane County is 38.8 years old; 23.9% are under 18 and 15.5% are 65 or older. The largest group is non-Hispanic white residents at 54.0%, then Hispanic or Latino residents (of any race) at 33.4%. 17.2% of residents were born outside the United States.
| Measure | Kane County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.8±0.2 | 39.0 | +1.5 |
| Under 18 years | 23.9% | 21.8% | – |
| 65 years and over | 15.5%±0.1 pts | 17.0% | – |
| Hispanic or Latino (any race) | 33.4% | 18.8% | +1.5 pts |
| White alone, not Hispanic | 54.0%±0.2 pts | 58.1% | −3.1 pts |
| Black or African American alone, not Hispanic | 4.7%±0.2 pts | 13.3% | −0.6 pts |
| Asian alone, not Hispanic | 4.0%±0.2 pts | 5.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.4%±0.3 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.4%±0.1 pts | 0.4% | – |
| Born outside the United States | 17.2%±0.4 pts | 14.7% | no clear change |
| Speak a language other than English at home (age 5+) | 31.8%±0.6 pts | 24.0% | – |
| Civilian veterans (age 18+) | 4.3%±0.2 pts | 4.8% | – |
| With a disability | 9.7%±0.3 pts | 12.1% | – |
| No health insurance coverage | 7.8%±0.5 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 87.4%±0.5 pts | 90.5% | – |
| Bachelor's degree or higher (age 25+) | 38.1%±0.7 pts | 37.8% | +5.0 pts |
| Graduate or professional degree (age 25+) | 13.6%±0.5 pts | 15.3% | – |
| Moved from another state in the past year | 0.9%±0.2 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Kane County earn?
Half of Kane County's 184,706 households earn less than $103,163 a year (±$2,082), against $83,390 in Illinois. In 2015-2019 the median was $97,710 in 2024 dollars, so it rose by $5,453 after inflation. 7.9% of residents live below the poverty line.
| Measure | Kane County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $103,163±$2,082 | $83,390 | +$5,453 |
| Mean household income | $131,975±$2,388 | $115,638 | – |
| Per capita income | $47,482±$817 | $46,406 | +$2,845 |
| People below the poverty line | 7.9%±0.5 pts | 11.8% | −1.5 pts |
| Children under 18 below the poverty line | 11.1%±1.1 pts | 15.1% | −3.4 pts |
| Households receiving SNAP | 11.0%±0.6 pts | 13.8% | – |
| Households with a broadband subscription | 93.3%±0.6 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Kane County?
Owners occupy 76.0% of Kane County's occupied homes and renters 24.0%. The median owner-occupied home is valued at $327,000 by its owner (±$4,132). The median renter pays $1,453 a month including utilities, and 40.3% of renters pay 35% or more of their income on rent.
| Measure | Kane County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $327,000±$4,132 | $263,300 | +$33,726 |
| Median gross rent | $1,453±$31 | $1,274 | +$40 |
| Renters paying 35% or more of income on rent | 40.3%±2.1 pts | 39.0% | no clear change |
| Median monthly owner costs, with a mortgage | $2,256±$24 | $1,987 | – |
| Owner-occupied homes | 76.0%±0.8 pts | 67.1% | +2.1 pts |
| Housing units | 190,921±119 | 5,457,452 | +2,954 |
| Homeowner vacancy rate | 0.7%±0.2 pts | 1.0% | – |
| Rental vacancy rate | 3.1%±0.7 pts | 5.0% | – |
| Single-family detached homes | 69.1%±0.7 pts | 58.2% | – |
| Mobile homes | 0.8%±0.2 pts | 2.3% | – |
| Built 2020 or later | 1.4%±0.2 pts | 0.7% | – |
| Built 1939 or earlier | 12.7%±0.7 pts | 20.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Kane County building?
Builders took permits for 1,629 new housing units across Kane County in 2025 (1,389 single-family), 3.1 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Kane County get to work?
70.7% of Kane County's workers drive alone and 15.9% work from home. The average trip to work takes 27.8 minutes. The unemployment rate in 2020-2024 averaged 4.8%.
| Measure | Kane County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 69.5%±0.6 pts | 65.0% | – |
| Unemployment rate | 4.8%±0.4 pts | 5.8% | no clear change |
| Drove alone to work | 70.7%±0.8 pts | 65.9% | – |
| Carpooled | 8.9%±0.5 pts | 7.8% | – |
| Public transportation | 1.6%±0.2 pts | 5.8% | – |
| Walked | 1.2%±0.2 pts | 2.8% | – |
| Worked from home | 15.9%±0.7 pts | 15.9% | +10.4 pts |
| Mean travel time to work | 27.8 min±0.5 | 27.8 min | −1.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Kane County's census tracts?
Kane County is divided into 104 census tracts. Among those with a reliable estimate, median household income runs from $49,038 (Tract 8547) to $250,000 or more (Tract 8524.07).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Kane County compare with Illinois's other counties?
| Measure | Rank |
|---|---|
| Population | 5th of 102 |
| Growth 2020-2025 | 6th of 102 |
| Residents per square mile | 4th of 102 |
| Median household income | 6th of 102 |
| Median home value | 3rd of 102 |
| Median gross rent | 5th of 102 |
| Poverty rate | 90th of 102 |
| Bachelor's degree or higher | 7th of 102 |
| Median age | 89th of 102 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Kane County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.