
Aurora
- County:
- DuPage County
- County Seat:
- No
- Area (mi²):
- 45.051
- State:
- Illinois
Aurora is a city located in DuPage County, Illinois. Aurora has a 2025 population of 175,795. Aurora is currently declining at a rate of -0.5% annually and its population has decreased by -2.45% since the most recent census, which recorded a population of 180,215 in 2020.
The average household income in Aurora is $116,037 with a poverty rate of 9.82%. The median age in Aurora is 35.2 years: 34 years for males, and 36.2 years for females.