Illinois's 2nd House of Representatives district is a Representative district within the Illinois House of Representatives located in Cook County, Illinois. It has been represented by Democrat Elizabeth Hernandez since January 11, 2023. The district was previously represented by Democrat Theresa Mah from 2017 to 2023.
The district covers parts of Berwyn, Brookfield, Chicago, Cicero, Lyons, McCook, Riverside, Stickney, and Summit, and of Chicago's neighborhoods, it covers part of Garfield Ridge.