Illinois's 3rd House of Representatives district

Illinois's 3rd 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 Eva-Dina Delgado since November 15, 2019. The district was previously represented by Democrat Luis Arroyo from 2007 to 2019.

The district covers parts of Chicago and of Chicago's neighborhoods, it covers all or parts of Belmont Cragin, Dunning, Hermosa, Humboldt Park, Logan Square, Montclare, Portage Park, and West Town.