Palos Hills is a city located in Cook County, Illinois, within the United States. It serves as a southwest suburb of Chicago and was officially established in 1958. According to the 2020 census, the city had a population of 18,530 residents.
The city is named after Palos de la Frontera, Spain, the location from which Christopher Columbus departed for North America. Notable local institutions include Amos Alonzo Stagg High School and Moraine Valley Community College.