River Forest is an affluent suburban village in Cook County, Illinois, United States. Two universities make their home in River Forest, Dominican University and Concordia University Chicago. The village is closely tied to the larger neighboring community of Oak Park. There are significant architectural designs located in River Forest such as the Winslow House by Frank Lloyd Wright. The population of the village was 11,172 at the 2010 census.
River Forest is located at 41°53′35″N 87°49′2″W (41.893031, -87.817182).
According to the 2010 census, River Forest has a total area of 2.482 square miles (6.43 km2), of which 2.48 square miles (6.42 km2) (or 99.92%) is land and 0.002 square miles (0.01 km2) (or 0.08%) is water.