
West Chicago
- County:
- DuPage County
- County Seat:
- No
- Area (mi²):
- 15.392
- State:
- Illinois
West Chicago is a city located in DuPage County, Illinois. West Chicago has a 2025 population of 24,817. West Chicago is currently declining at a rate of -0.6% annually and its population has decreased by -2.92% since the most recent census, which recorded a population of 25,564 in 2020.
The average household income in West Chicago is $127,577 with a poverty rate of 12.14%. The median age in West Chicago is 35.8 years: 36.4 years for males, and 35 years for females.