Illinois's congressional districts
Illinois is divided into 18 congressional districts, each represented by a member of the United States House of Representatives. The majority of Illinois' districts are located in the Chicago area.

Starting in the 2022 mid-term elections, per the 2020 United States census, Illinois will lose a congressional seat.[2]
Current (until 2023 inauguration) districts and 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 13 Democrats and 5 Republicans as of 2021.
Current U.S. representatives from Illinois () | |||||
---|---|---|---|---|---|
District | Member (Residence)[3] |
Party | Incumbent since | CPVI (2021)[4] |
District map |
1st | ![]() Bobby Rush (Chicago) |
Democratic | January 3, 1993 | D+25 | ![]() |
2nd | ![]() Robin Kelly (Matteson) |
Democratic | April 11, 2013 | D+28 | ![]() |
3rd | ![]() Marie Newman (La Grange) |
Democratic | January 3, 2021 | D+6 | ![]() |
4th | ![]() Jesús "Chuy" García (Chicago) |
Democratic | January 3, 2019 | D+33 | ![]() |
5th | ![]() Mike Quigley (Chicago) |
Democratic | April 7, 2009 | D+22 | ![]() |
6th | ![]() Sean Casten (Downers Grove) |
Democratic | January 3, 2019 | D+3 | ![]() |
7th | ![]() Danny K. Davis (Chicago) |
Democratic | January 3, 1997 | D+37 | ![]() |
8th | ![]() Raja Krishnamoorthi (Schaumburg) |
Democratic | January 3, 2017 | D+9 | ![]() |
9th | ![]() Jan Schakowsky (Evanston) |
Democratic | January 3, 1999 | D+21 | ![]() |
10th | ![]() Brad Schneider (Deerfield) |
Democratic | January 3, 2017 | D+14 | ![]() |
11th | ![]() Bill Foster (Naperville) |
Democratic | January 3, 2013 | D+11 | ![]() |
12th | ![]() Mike Bost (Murphysboro) |
Republican | January 3, 2015 | R+9 | ![]() |
13th | ![]() Rodney Davis (Taylorville) |
Republican | January 3, 2013 | R+4 | ![]() |
14th | ![]() Lauren Underwood (Naperville) |
Democratic | January 3, 2019 | R+2 | ![]() |
15th | ![]() Mary Miller (Oakland) |
Republican | January 3, 2021 | R+26 | ![]() |
16th | ![]() Adam Kinzinger (Channahon) |
Republican | January 3, 2011 | R+10 | ![]() |
17th | ![]() Cheri Bustos (Moline) |
Democratic | January 3, 2013 | R+2 | ![]() |
18th | ![]() Darin LaHood (Peoria) |
Republican | September 10, 2015 | R+15 | ![]() |
Historical and present district boundaries
Table of United States congressional district boundary maps in the State of Illinois, presented chronologically.[5] All redistricting events that took place in Illinois between 1973 and 2013 are shown.
Year | Statewide map | Chicago highlight |
---|---|---|
1973–1982 | ![]() |
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1983–1992 | ![]() |
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1993–2002 | ![]() |
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2003–2013 | ![]() |
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Since 2013 | ![]() |
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Obsolete districts
- Illinois Territory's at-large congressional district
- Illinois's at-large congressional district
- Illinois's 19th congressional district
- Illinois's 20th congressional district
- Illinois's 21st congressional district
- Illinois's 22nd congressional district
- Illinois's 23rd congressional district
- Illinois's 24th congressional district
- Illinois's 25th congressional district
- Illinois's 26th congressional district
See also
References
- "The national atlas". nationalatlas.gov. Archived from the original on February 22, 2014. Retrieved February 22, 2014.
- Merica, Dan; Stark, Liz (April 26, 2021). "Census Bureau announces 331 million people in US, Texas will add two congressional seats". CNN. Retrieved April 26, 2021.
- "Office of the Clerk, U.S. House of Representatives". clerk.house.gov. Retrieved 2022-01-10.
- "Introducing the 2021 Cook Political Report Partisan Voter Index". Cook Political Report. Retrieved 2022-01-10.
- "Digital Boundary Definitions of United States Congressional Districts, 1789–2012". Retrieved October 18, 2014.