In 2018, DuPage County, IL had a population of 929k people with a median age of 39.5 and a median household income of $93,750. Between 2017 and 2018 the population of DuPage County, IL declined from 930,128 to 928,589, a -0.165% decrease and its median household income grew from $89,521 to $93,750, a 4.72% increase.
The 5 largest ethnic groups in DuPage County, IL are White (Non-Hispanic) (66.3%), Asian (Non-Hispanic) (12.2%), White (Hispanic) (9.74%), Black or African American (Non-Hispanic) (4.44%), and Other (Hispanic) (3.52%). 28.1% of the people in DuPage County, IL speak a non-English language, and 91.6% are U.S. citizens.
In 2018, the median property value in DuPage County, IL was $317,800, and the homeownership rate was 73%. Most people in DuPage County, IL drove alone to work, and the average commute time was 27.7 minutes. The average car ownership in DuPage County, IL was 2 cars per household.