Warrenville is a city in DuPage County, Illinois, United States. As of the 2010 census, the city had a total population of 13,140, which was estimated to have increased to 13,316 by July 2012. It is a part of the Chicago metropolitan area and the Illinois Technology and Research Corridor.
Warrenville is located at 41°49′35″N 88°11′22″W / 41.82639°N 88.18944°W / 41.82639; -88.18944 (41.826280, -88.189465).
According to the 2010 census, Warrenville has a total area of 5.618 square miles (14.55 km), of which 5.46 square miles (14.14 km) (or 97.19%) is land and 0.158 square miles (0.41 km) (or 2.81%) is water.
As of the census of 2000, there were 13,363 people, 4,931 households, and 3,476 families residing in the city. The population density was 2,430.6 people per square mile (938.1/km²). There were 5,067 housing units at an average density of 921.6 per square mile (355.7/km²). The racial makeup of the city was 89.13% White, 2.39% African American, 0.29% Native American, 3.43% Asian, 0.04% Pacific Islander, 3.46% from other races, and 1.26% from two or more races. Hispanic or Latino of any race were 10.10% of the population.
There were 4,931 households out of which 39.3% had children under the age of 18 living with them, 57.2% were married couples living together, 9.7% had a female householder with no husband present, and 29.5% were non-families. 23.6% of all households were made up of individuals and 4.0% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.26.
In the city, the population was spread out with 28.7% under the age of 18, 7.8% from 18 to 24, 36.1% from 25 to 44, 21.5% from 45 to 64, and 6.0% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 97.6 males. For every 100 females age 18 and over, there were 95.1 males.
The median income for a household in the city was $62,430, and the median income for a family was $72,233. Males had a median income of $50,144 versus $35,487 for females. The per capita income for the city was $28,922. About 0.9% of families and 1.6% of the population were below the poverty line, including 1.0% of those under age 18 and 1.7% of those age 65 or over.