Kane County is a county located in the U.S. state of Illinois. As of 2010, the population is 515,269. Its county seat is Geneva, Illinois. This county is part of Chicagoland. Kane County is composed of the following townships - Hampshire, Rutland, Dundee, Burlington, Plato, Elgin, Virgil, Campton, Kaneville, Blackberry, Geneva, Batavia, Big Rock, Sugar Grove and Aurora.
According to the U.S. Census Bureau, the county has a total area of 524 miles. 520 miles of it is land and 4 miles of it is water. The total area is 0.69% water. Its largest cities are situated along the Fox River.
As of the census of 2010, there are 515,269 people and 168,980 households residing in the county. The population density is 983 persons per square mile. There are 182,047 housing units at an average density of 347 per square mile. The racial makeup of the county is 74.6% White, 5.7% Black or African American, 0.6% Native American, 3.5% Asian, 0.03% Pacific Islander, and 2.6% from two or more races. 30.7% of the population are Hispanic or Latino of any race.
There are 168,980 households out of which 41.60% have children under the age of 18 living with them, 61.20% are married couples living together, 10.00% have a female householder with no husband present, and 24.20% are non-families. 19.60% of all households are made up of individuals and 6.70% have someone living alone who is 65 years of age or older. The average household size is 2.94 persons.
In the county the population is spread out with 29.0% under the age of 18, 9.10% from 18 to 24, 31.90% from 25 to 44, 20.40% from 45 to 64, and 9.6% who are 65 years of age or older. The median age is 32 years. For every 100 females there are 101.20 males. For every 100 females age 18 and over, there are 98.80 males.
The median income for a household in the county is $67,767. Males have a median income of $45,787 versus $30,013 for females. The per capita income for the county is $29,480. 9.1% of the population are below the poverty line. Out of the total population, 8.80% of those under the age of 18 and 5.00% of those 65 and older are living below the poverty line.