In 2019, DuPage County, IL had a population of 923k people with a median age of 39.8 and a median household income of $96,403. Between 2018 and 2019 the population of DuPage County, IL declined from 928,589 to 922,921, a −0.61% decrease and its median household income grew from $93,750 to $96,403, a 2.83% increase.
The 5 largest ethnic groups in DuPage County, IL are White (Non-Hispanic) (65.9%), Asian (Non-Hispanic) (12.2%), White (Hispanic) (10.3%), Black or African American (Non-Hispanic) (4.7%), and Other (Hispanic) (3.15%). 28.8% of the households in DuPage County, IL speak a non-English language at home as their primary language, and 92% of the residents in DuPage County, IL are U.S. citizens.
In 2019, the median property value in DuPage County, IL was $316,600, and the homeownership rate was 73.5%. Most people in DuPage County, IL drove alone to work, and the average commute time was 28 minutes. The average car ownership in DuPage County, IL was 2 cars per household.