Elmhurst is a city in DuPage and Cook counties in the U.S. state of Illinois, and a western suburb of Chicago. As of the 2010 census, the city had a total population of 44,121.
Members of the Potawatomi Native American people, who settled along Salt Creek just south of where the city would develop, are the earliest known settlers of the Elmhurst area. Around 1836, European-American immigrants settled on tracts of land along the same creek. At what would become Elmhurst City Centre, a native of Ohio named Gerry Bates established a community on a tract of "treeless land" in 1842. In 1845, the community was officially named Cottage Hill when a post office was established.The community changed its name to Elmhurst in 1869.Elmhurst was incorporated as a village in 1882.Elmhurst Memorial Hospital was founded in 1926 as the first hospital in DuPage County.