
Riverside
- County:
- Cook County
- County Seat:
- No
- Area (mi²):
- 1.978
- State:
- Illinois
Riverside is a village located in Cook County, Illinois. Riverside has a 2025 population of 8,565. Riverside is currently declining at a rate of -1.61% annually and its population has decreased by -7.55% since the most recent census, which recorded a population of 9,264 in 2020.
The average household income in Riverside is $174,089 with a poverty rate of 4.05%. The median age in Riverside is 42.8 years: 39.8 years for males, and 48.3 years for females.