River Grove is a city located in Cook County Illinois. With a 2020 population of 9,725, it is the 224th largest city in Illinois and the 3168th largest city in the United States . River Grove is currently declining at a rate of -0.81% annually and its population has decreased by -4.91% since the most recent census, which recorded a population of 10,227 in 2010. River Grove reached it's highest population of 11,465 in 1970. Spanning over 2 miles, River Grove has a population density of 4,068 people per square mile.
The average household income in River Grove is $72,012 with a poverty rate of 10.23%. The median rental costs in recent years comes to $972 per month, and the median house value is $211,200. The median age in River Grove is 37.5 years, 37.3 years for males, and 37.7 years for females.