Riverside is a city located in Cook County Illinois. With a 2020 population of 8,429, it is the 247th largest city in Illinois and the 3486th largest city in the United States . Riverside is currently declining at a rate of -0.79% annually and its population has decreased by -5.03% since the most recent census, which recorded a population of 8,875 in 2010. Riverside reached it's highest population of 10,357 in 1970. Spanning over 2 miles, Riverside has a population density of 4,260 people per square mile.
The average household income in Riverside is $142,746 with a poverty rate of 4.65%. The median rental costs in recent years comes to $1,209 per month, and the median house value is $406,300. The median age in Riverside is 42.5 years, 39.3 years for males, and 44.5 years for females.