Illinois is divided into 17 congressional districts, each represented by a member of the United States House of Representatives. The majority of Illinois's districts are located in the Chicago area.
Current districts and representatives
This is a list of United States representatives from Illinois, their terms, district maps, and the district political ratings according to the CPVI. The delegation in the 118th United States Congress has a total of 17 members, with 14 Democrats and 3 Republicans as of 2023. ==Historical and present district boundaries==
Historical and present district boundaries
Table of United States congressional district boundary maps in the State of Illinois, presented chronologically. All redistricting events that took place in Illinois from statehood in 1818 to 2013 are shown. During the periods of 1863-1873, 1893-1895, and 1903-1948, voters in Illinois elected an additional one to two at-large representatives. ==Obsolete districts==