Lisle (/ˈlaɪəl/ LY-əl) is a village in DuPage County, Illinois, United States. The population was 22,390 at the 2010 census, and in 2018 the population was recorded to be 23,394. It is part of the Chicago metropolitan area and the Illinois Technology and Research Corridor. It is also the headquarters of the Nuclear Regulatory Commission Region III.
Lisle is located at 41°47′33″N 88°05′18″W / 41.79250°N 88.08833°W / 41.79250; -88.08833 (41.7924954, -88.0882100). According to the 2010 census, Lisle has a total area of 7.021 square miles (18.18 km), of which 6.84 square miles (17.72 km) (or 97.42%) is land and 0.181 square miles (0.47 km) (or 2.58%) is water. Most of Lisle lies within the watershed of the east branch of the DuPage river.
As of the census of 2010, there were 22,390 people, 9,304 households, and 5,444 families residing in the village. The population density was 3,515 people per square mile. The racial makeup of the village was 77.7% White, 5.6% African American, 0.1% Native American, 11.9% Asian, 0.03% Pacific Islander, 2.5% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 7.5% of the population.
There were 9,304 households out of which 26.9% had children under the age of 18 living with them, 46.9% were married couples living together, 8.2% had a female householder with no husband present, and 41.5% were non-families. The average household size was 2.32 and the average family size was 3.05.
In the village, the population was spread out with 7.1% from ages 15 to 19, 46.6% from 20 to 39, 35.4% from 40 to 64, and 10.9% who were 65 years of age or older. The median age was 37.2 years. For every 100 females, there were 97 males.
According to the U.S. Census Bureau’s 2010 estimate, the median household income in the village was $72,440, and the median income for a family was $109,576. The mean household income was $101,560 and the mean family income was $132,948. The per capita income for the village was $42,096. About 3.9% of families and 7.5% of the population were below the poverty line, including 8.6% of those under age 18 and 5.3% of those age 65 or over.