Kane County, Illinois
|Kane County, Illinois|
Location in the state of Illinois
Illinois's location in the U.S.
|Founded||January 16, 1836|
|Named for||Elias Kane|
524.20 sq mi (1,358 km²)
520.06 sq mi (1,347 km²)
4.14 sq mi (11 km²), 0.79%
992/sq mi (383/km²)
|Time zone||Central: UTC-6/-5|
Kane County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 515,269, which is an increase of 27.5% from 404,119 in 2000. Its county seat is Geneva, and its largest city is Aurora.
|Climate chart (explanation)|
According to the 2010 census, the county has a total area of 524.20 square miles (1,357.7 km2), of which 520.06 square miles (1,346.9 km2) (or 99.21%) is land and 4.14 square miles (10.7 km2) (or 0.79%) is water. Its largest cities are situated along the Fox River.
Adjacent counties 
- McHenry County (north)
- Cook County and DuPage County (east)
- Will County (southeast)
- Kendall County (south)
- DeKalb County (west)
In recent years, average temperatures in the county seat of Geneva have ranged from a low of 10 °F (−12 °C) in January to a high of 84 °F (29 °C) in July, although a record low of −26 °F (−32 °C) was recorded in January 1985 and a record high of 111 °F (44 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.52 inches (39 mm) in February to 4.39 inches (112 mm) in July.
As of the census of 2000, there were 404,119 people, 133,901 households, and 101,496 families residing in the county. The population density was 776 people per square mile (300/km²). There were 138,998 housing units at an average density of 267 per square mile (103/km²). The racial makeup of the county was 79.27% White, 5.76% Black or African American, 0.31% Native American, 1.81% Asian, 0.04% Pacific Islander, 10.61% from other races, and 2.21% from two or more races. 23.74% of the population were Hispanic or Latino of any race. 20.1% were of German, 8.7% Irish, 5.5% Polish, 5.5% Italian and 5.2% English ancestry according to Census 2000. 75.1% spoke English and 21.1% Spanish as their first language.
There were 133,901 households out of which 41.60% had children under the age of 18 living with them, 61.20% were married couples living together, 10.00% had a female householder with no husband present, and 24.20% were non-families. 19.60% of all households were made up of individuals and 6.70% had someone living alone who was 65 years of age or older. The average household size was 2.97 and the average family size was 3.43.
In the county, the population was spread out with 30.30% under the age of 18, 9.10% from 18 to 24, 31.90% from 25 to 44, 20.40% from 45 to 64, and 8.40% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 101.20 males. For every 100 females age 18 and over, there were 98.80 males.
The median income for a household in the county was $59,351, and the median income for a family was $66,558. Males had a median income of $45,787 versus $30,013 for females. The per capita income for the county was $24,315. About 6.60% of families and 8.40% of the population were below the poverty line.
- Aurora Township
- Batavia Township
- Big Rock Township
- Blackberry Township
- Burlington Township
- Campton Township
- Dundee Township
- Elgin Township
- Geneva Township
- Hampshire Township
- Kaneville Township
- Plato Township
- Rutland Township
- St. Charles Township
- Sugar Grove Township
- Virgil Township
Populated places 
Cities and towns 
The largest city in the county is Aurora.
- Algonquin - partly in McHenry County
- Aurora - partly in DuPage County, Kendall County and Will County
- Barrington Hills
- Bartlett - mostly in DuPage and Cook counties, very small part in Kane County
- Batavia - very small section in DuPage County
- Big Rock
- Campton Hills
- East Dundee - very small parcel on eastern boundary in Cook County
- Elgin - partly in Cook County
- Hoffman Estates - primarily in Cook County, very small parcel in Kane County
- Huntley - partly in McHenry County
- Lily Lake
- Maple Park -- partly in DeKalb County, Illinois
- Montgomery - partly in Kendall County
- North Aurora
- Pingree Grove
- St. Charles - very small section in DuPage County
- Sleepy Hollow
- South Elgin
- Sugar Grove
- Wayne - partly in DuPage County
- West Dundee
Unincorporated communities 
Ghost town 
Health care 
There are several hospitals serving the county:
- Central DuPage Hospital, serving Kane County
- Delnor Hospital
- Provena Mercy Medical Center
- Provena Saint Joseph Hospital
- Rush-Copley Medical Center
- Sherman Hospital
Major highways 
- Interstate 88
- Interstate 90
- U.S. Highway 20
- U.S. Highway 30
- U.S. Highway 34
- Illinois Route 19
- Illinois Route 25
- Illinois Route 31
- Illinois Route 38
- Illinois Route 47
- Illinois Route 56
- Illinois Route 58
- Illinois Route 62
- Illinois Route 64
- Illinois Route 68
- Illinois Route 72
See also 
- Fabyan Windmill
- Fox River
- Golden Corridor
- Great Western Trail
- Illinois Prairie Path
- Illinois Technology and Research Corridor
- National Register of Historic Places listings in Kane County, Illinois
- U.S. Geological Survey Geographic Names Information System: Kane County, Illinois
- "Kane County QuickFacts". United States Census Bureau. Retrieved 2011-11-05.
- "Find a County". National Association of Counties. Retrieved June 7, 2011.
- "Monthly Averages for Geneva, Illinois". The Weather Channel. Retrieved 2011-01-27.
- "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-11-05.
- "American FactFinder". United States Census Bureau. Retrieved January 31, 2008.
- Forstall, Richard L. (editor) (1996). Population of states and counties of the United States: 1790 to 1990 : from the twenty-one decennial censuses. United States Department of Commerce, Bureau of the Census, Population Division. ISBN 0-934213-48-8.
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|DeKalb County||Cook County and DuPage County|
|Kendall County||Will County|