River Forest is a city located in Cook County Illinois. With a 2020 population of 10,664, it is the 211th largest city in Illinois and the 2966th largest city in the United States . River Forest is currently declining at a rate of -0.71% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 11,172 in 2010. River Forest reached it's highest population of 13,402 in 1970. Spanning over 2 miles, River Forest has a population density of 4,300 people per square mile.
The average household income in River Forest is $228,127 with a poverty rate of 3.58%. The median rental costs in recent years comes to $1,143 per month, and the median house value is $596,900. The median age in River Forest is 41.7 years, 41.8 years for males, and 41.7 years for females.