About the town » Des Plaines, Cook County, Illinois, United States

Des Plaines is a city in Cook County, Illinois, United States. It has adopted the official nickname of "City of Destiny". As of the 2010 census, the city had a population of 58,364. It is a suburb of Chicago and is next to O'Hare International Airport. The Des Plaines River runs through the city, just east of its downtown area.