DuPage County
DuPage County is significantly wealthier than the US average, with a median household income of $112,096. Population has held roughly steady since 2000. 52% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $391,400. It ranks in the top 1% of US counties for household income. Households here earn about 34% more than the Illinois median.
Population & growth
PEP 2025 EST:934,298 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 11 more asian origin groups with data
+ 51 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to DuPage County
Compare DuPage County to nearby counties
How many people live in DuPage County, Illinois?
DuPage County, Illinois has about 930,024 residents according to the 2024 American Community Survey.
What is the median household income in DuPage County, Illinois?
The typical household in DuPage County, Illinois earns about $112,096 a year. Half of households make more than that, and half make less.
Is DuPage County, Illinois expensive?
In DuPage County, Illinois, the median home is worth about $391,400, and the typical rent is about $1,688 a month.
How educated are people in DuPage County, Illinois?
About 51.8% of adults age 25 and over in DuPage County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in DuPage County, Illinois?
About 6.6% of people in DuPage County, Illinois live below the federal poverty line.
Has DuPage County, Illinois grown since 1990?
Yes, DuPage County, Illinois has grown since 1990. The population has added about 148,358 residents, a change of about 19 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024