Illinois's congressional districts

Illinois is divided into 18 congressional districts, each represented by a member of the United States House of Representatives.

List of members of the Illinois United States House delegation, their terms, district maps, and the districts' political ratings according to the CPVI. The delegation has a total of 18 members, with 11 Democrats and 7 Republicans.

Table of United States congressional district boundary maps in the State of Illinois, presented chronologically. All redistricting events that took place in Illinois between 1973 and 2013 are shown.

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