Kane County, Illinois
As of the census of 2000, there were 404119 people in the county, organized into 133901 households, and 101454 families living in the county. The population density was 776.5 people per square mile (299.81/kmē), making it the fourth most densely populated county in Illinois. There were 138998 housing units at an average density of 267.1 per square mile (103.13/kmē). It has an average household size was 2.97 persons, and the average family size was 3.43 persons. In the county the population was distributed as follows: 30.3% under the age of 18, 9.1% from 18 to 24, 31.9% from 25 to 44, 20.4% from 45 to 64, and 8.4% who were 65 or older. For every 100 females there were 101.2 males. For every 100 females age 18 and over, there were 98.8 males. It has an estimated population (as of July 2008) of 507579, The racial or ethnic makeup of the county was 89.59% White, 5.55% Black or African American, 0.4% American Indian, 3.16% Asian, 0.07% Native Hawaiian, and 1.23% from two or more races.
The median income for a household in the county was $59351, it is Illinois's sixth wealthiest county by median household income. The median income for a family in the county was $66558, making it the sixth wealthiest county by median family income among the Illinois. The per capita income for the county was $24315, making it the sixth wealthiest county by per capita income among the Illinois.
In 2000, 114833 pupils and students, of which 50.18% are male and 49.82% are female, 28.42% of the total population, are in the education system. Of which, percentage of enrollment student are in, 8% nursery or pri school, 6.52% kindergarten, 47.02% elementary school, 21.26% high school and 17.2% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Barrington Hills Village | Cook County, Kane County, Lake County, McHenry County | 28.4 | 27.88 | 0.52 | 3915 | 140.4 | 73629 | 145330 |
| 2 | Hoffman Estates Village | Cook County, Kane County | 19.87 | 19.71 | 0.16 | 49495 | 2511.2 | 26669 | 65937 |
| 3 | Aurora City | Kane County, DuPage County, Kendall County, Will County | 39.42 | 38.53 | 0.89 | 142990 | 3711.5 | 22131 | 54861 |
| 4 | Batavia City | Kane County, Dupage County | 9.19 | 9.05 | 0.14 | 23866 | 2638.4 | 27783 | 68656 |
| 5 | Burlington Village | Kane County | 0.35 | 0.35 | 0 | 452 | 1277.2 | 25349 | 53438 |
| 6 | Carpentersville Village | Kane County | 7.6 | 7.45 | 0.15 | 30586 | 4105.4 | 17424 | 54526 |
| 7 | East Dundee Village | Kane County | 2.91 | 2.68 | 0.23 | 2955 | 1103.1 | 31695 | 61219 |
| 8 | Elburn Village | Kane County | 2.73 | 2.73 | 0 | 2756 | 1010.5 | 26781 | 67788 |
| 9 | Elgin City | Kane County | 25.39 | 25 | 0.39 | 94487 | 3779.1 | 21112 | 52605 |
| 10 | Geneva City | Kane County | 8.58 | 8.41 | 0.18 | 19515 | 2321.4 | 33026 | 77299 |
| 11 | Gilberts Village | Kane County | 3.22 | 3.21 | 0 | 1279 | 398 | 31898 | 87847 |
| 12 | Hampshire Village | Kane County | 4.88 | 4.88 | 0 | 2900 | 594.7 | 22143 | 58519 |
| 13 | Lily Lake Village | Kane County | 2.25 | 2.25 | 0 | 825 | 367.3 | 29611 | 77139 |
| 14 | Montgomery Village | Kane County, Kendall County | 6.61 | 6.41 | 0.2 | 5471 | 852.9 | 23395 | 51028 |
| 15 | North Aurora Village | Kane County | 5.31 | 5.16 | 0.15 | 10585 | 2051.8 | 25552 | 58557 |
| 16 | Pingree Grove Village | Kane County | 0.62 | 0.62 | 0 | 124 | 201.3 | 23396 | 45313 |
| 17 | Sleepy Hollow Village | Kane County | 2.03 | 2.01 | 0.01 | 3553 | 1766.3 | 31005 | 91279 |
| 18 | South Elgin Village | Kane County | 6.41 | 6.29 | 0.12 | 16100 | 2560.5 | 25676 | 67323 |
| 19 | St. Charles City | Kane County, DuPage County | 14.15 | 13.99 | 0.16 | 27896 | 1993.9 | 33969 | 69424 |
| 20 | Sugar Grove Village | Kane County | 6.46 | 6.45 | 0.02 | 3909 | 606.1 | 30299 | 75856 |
| 21 | Virgil Village | Kane County | 1.88 | 1.88 | 0 | 266 | 141.3 | 26881 | 78252 |
| 22 | West Dundee Village | Kane County | 2.74 | 2.66 | 0.08 | 5428 | 2040.5 | 30674 | 62540 |
| Year | Population |
|---|---|
| April 2000 census | 404119 |
| April 2000 Estimate | 404114 |
| July 2000 Estimate | 407520 |
| July 2001 Estimate | 423969 |
| July 2002 Estimate | 440584 |
| July 2003 Estimate | 454661 |
| July 2004 Estimate | 468212 |
| July 2005 Estimate | 477214 |
| July 2006 Estimate | 487279 |
| July 2007 Estimate | 498142 |
| July 2008 Estimate | 507579 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 4780 | 4404 | 9184 |
| Kindergarten | 3913 | 3575 | 7488 |
| Elementary school | 27568 | 26431 | 53999 |
| High school | 12384 | 12024 | 24408 |
| College or graduate school | 8979 | 10775 | 19754 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Kane County, Illinois | $59351 | $66558 | $24315 |
| Illinois, United States | $46590 | $55545 | $23104 |
| United States | $41994 | $50046 | $21587 |