Palos Hills is a city in Cook County, Illinois, United States. It is a southwest suburb of Chicago. The population was 17,484 at the 2010 census. It is the home of Moraine Valley Community College as well as Amos Alonzo Stagg High School.
Palos Hills is located at 41°41′57″N 87°49′35″W (41.699282, -87.826257).
According to the 2010 census, Palos Hills has a total area of 4.292 square miles (11.12 km2), of which 4.25 square miles (11.01 km2) (or 99.02%) is land and 0.042 square miles (0.11 km2) (or 0.98%) is water.