
Willowbrook Will County
- County:
- DuPage County
- County Seat:
- No
- Area (mi²):
- 1.467
- State:
- Illinois
Willowbrook is a CDP located in DuPage County, Illinois. Willowbrook has a 2025 population of 2,655. Willowbrook is currently growing at a rate of 1.49% annually and its population has increased by 28.76% since the most recent census, which recorded a population of 2,062 in 2020.
The average household income in Willowbrook is $117,438 with a poverty rate of 4.89%. The median age in Willowbrook is 36.4 years: 38.2 years for males, and 34.7 years for females.