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Illinois's 8th congressional district

U.S. House district for Illinois

Illinois's 8th congressional district

U.S. House district for Illinois

FieldValue
stateIllinois
district number8
image name
image captionInteractive map of district boundaries since January 3, 2023
representativeRaja Krishnamoorthi
partyDemocratic
residenceSchaumburg
english area291.5
percent urban100.0
percent rural0.0
population752,591
population year2024
median income$96,230
percent white54.4
percent hispanic23.8
percent black4.3
percent asian14.3
percent more than one race2.8
percent other race0.5
cpviD+5

|percent more than one race = 2.8

The 8th congressional district of Illinois is a congressional district in the U.S. state of Illinois that has been represented by Democrat Raja Krishnamoorthi since 2017.

History

2011 redistricting

The congressional district covers parts of Cook County, DuPage County and Kane County, as of the 2011 redistricting which followed the 2010 United States census. All or parts of Addison, Arlington Heights, Barrington Hills, Bloomingdale, Carol Stream, Carpentersville, East Dundee, Elgin, Elk Grove Village, Glendale Heights, Hanover Park, Hoffman Estates, Lombard, Palatine, Rolling Meadows, Roselle, Schaumburg, South Elgin, Streamwood, Villa Park and Wood Dale are included. These boundaries became effective on January 3, 2013.

Composition

#CountySeatPopulation
31CookChicago5,087,072
43DuPageWheaton921,213
89KaneGeneva514,982

By county

CountyPop.Share
Cook357,15947.39%
Kane233,24530.95%
DuPage163,27321.66%

Cities and CDPS with 10,000 or more people

  • Chicago – 2,665,039
  • Elgin – 114,797
  • Schaumburg – 78,723
  • Arlington Heights – 77,676
  • Palatine – 67,908
  • Des Plaines – 60,675
  • Mount Prospect – 56,852
  • Hoffman Estates – 52,530
  • Barlett – 41,105
  • Carol Stream – 39,854
  • Streamwood – 39,577
  • Carpentersville – 39,983
  • Hanover Park – 37,470
  • Addison – 35,702
  • Glendale Heights – 33,176
  • St. Charles – 33,081
  • Elk Grove Village – 32,812
  • Algonquin – 29,700
  • Glen Ellyn – 28,846
  • Huntley – 28,008
  • Batavia – 26,098
  • Rolling Meadows – 24,200
  • South Elgin – 23,865
  • Roselle – 22,897
  • Bloomingdale – 22,382
  • Geneva – 21,393
  • Norridge – 15,251
  • Wood Dale – 14,012
  • Pingree Grove – 10,365

2,5000 – 10,000 people

  • Itasca – 9,543
  • Gilberts – 8,366
  • West Dundee – 7,686
  • Hampshire – 7,667
  • Inverness – 7,616
  • South Barrington – 5,077
  • Barrington Hills – 4,114
  • Rosemont – 3,952
  • Sleepy Hollow – 3,214
  • East Dundee – 3,152

As of the 2020 redistricting, this district will still be based partially in northern Cook County, and now parts of northern DuPage County and northeast Kane County, as well as part of the Chicago neighborhood of O'Hare.

The 8th district takes in the Cook County communities of Schaumburg (shared with DuPage County), Rosemont, Rolling Meadows, South Barrington, and East Dundee (shared with Kane County); most of Hoffman Estates, Streamwood, and Elgin (shared with Kane County); half of Des Plaines; the majority of Elk Grove Village west of Tome Rd (shared with DuPage County); part of Palatine, Norridge, Rosemont, Arlington Heights, Hanover Park (shared with DuPage County), and Inverness; and part of Mount Prospect between Dempster St and W Lonnquist Blvd.

DuPage County is split between this district and the 3rd district. They are partitioned by Bartlett Rd, Old Wayne Golf Course, St Charles Rd, Fair Oaks Rd, Timber Ln, Woodcreek Ln N, Wayne Oaks Dam Reservoir, Morton Rd, Pawnee Dr, County Farm Rd, Highway 64, Gary Ave Della Ave, West St, Geneva Rd, Bloomingdale's Rd, Glendale Lakes Golf Club, President St, Gilberto St, Schubert Ave, Opal Ave, Stevenson Dr, Highway 4, Polo Club Dr, Canadian National Railway, East Branch Park, Army Trail Rd, Belmont Pl, Addison Trail High School, Woodland Ave, 7th Ave, Lake St, 3rd Ave, Eggerding Dr, Mill Rd, Highway 290, Addison Rd, Oak Meadows Golf & Banquets, Central Ave, Canadian Pacific Railway, Wood Dale Rd, Elmhurt St, and Lively Blvd. The 8th district takes in the communities of Bloomingdale, Schaumburg (shared with Cook County), Roselle, and Itasca; most of Carol Stream; the majority of Elk Grove Village west of Tome Rd (shared with DuPage County); part of Hanover Park (shared with Cook County); eastern Bartlett; western Wood Dale; northwestern Addison; part of Glen Ellyn; and part of northern Glendale Heights.

Kane County is split between this district and the 11th district. They are partitioned by Illinois Highway 47, Regency Parkway, Farm Hill Dr, Del Webb Blvd, Jane Adams Memorial Tollway, Sandwald Rd, Ridgecrest Dr, Brier Hill Rd/Illinois Highway 47, Coombs Rd, Shadow Hill Dr, Campton Hills Dr, West Main St, South Tyler Rd, Division St, Fox River, North Washington Ave, Douglas Rd, Orion Rd, and East Fabyan Parkway. The 8th district takes in the communities of East Dundee (shared with Cook County), West Dundee, Carpentersville, Sleepy Hollow, South Elgin, Gilberts, Pingree Grove; most of Elgin (shared with Cook County); half of St. Charles; southern Algonquin; western Wayne and Barrington Hills; eastern Hampshire; southeastern Huntley; a portion of Geneva east of the Fox River; and part of Batavia.

Recent election results from statewide races

YearOfficeResults
2008PresidentObama 59% - 40%
2012PresidentObama 55% - 45%
2016PresidentClinton 55% - 39%
SenateDuckworth 52% - 42%
Comptroller (Spec.)Munger 48% - 45%
2018GovernorPritzker 51% - 43%
Attorney GeneralRaoul 53% - 44%
Secretary of StateWhite 66% - 31%
ComptrollerMendoza 58% - 39%
TreasurerFrerichs 54% - 42%
2020PresidentBiden 57% - 41%
SenateDurbin 55% - 40%
2022SenateDuckworth 56% - 42%
GovernorPritzker 55% - 42%
Attorney GeneralRaoul 55% - 43%
Secretary of StateGiannoulias 55% - 43%
ComptrollerMendoza 56% - 42%
TreasurerFrerichs 53% - 44%
2024PresidentHarris 52% - 45%

List of members representing the district

NamePartyYearsCong–
ressElectoral historyCounties
District created March 4, 1853.
[[File:William.H.Bissel.jpg100px]]
William Henry Bissell
(Belleville)Independent
DemocraticnowrapMarch 4, 1853 –
March 3, 1855Redistricted from the and re-elected in 1852.
Retired.1853–1863
VacantnowrapMarch 4, 1855 –
November 4, 1856Representative-elect Lyman Trumbull was elected to the U.S. Senate on February 8, 1855.
[[File:James L. D. Morrison (Illinois Congressman).jpg100px]]
James L. D. Morrison
(McLeansboro)DemocraticnowrapNovember 4, 1856 –
March 3, 1857Elected to finish Trumbull's term.
Retired.
[[File:RobertSmithIL.jpg100px]]
Robert Smith
(Alton)DemocraticnowrapMarch 4, 1857 –
March 3, 1859Elected in 1856.
Lost renomination.
[[File:PhilipBFouke.jpg100px]]
Philip B. Fouke
(Belleville)DemocraticnowrapMarch 4, 1859 –
March 3, 1863Elected in 1858.
Re-elected in 1860.
Retired.
[[File:John Todd Stuart.jpg100px]]
John T. Stuart
(Springfield)DemocraticnowrapMarch 4, 1863 –
March 3, 1865Elected in 1862.
Lost re-election.1863–1873
DeWitt, Livingston, Logan, McLean, Sangamon, Tazewell, and Woodford
[[File:Shelby Moore Cullom-cropped.jpg100px]]
Shelby Moore Cullom
(Springfield)RepublicannowrapMarch 4, 1865 –
March 3, 1871Elected in 1864.
Re-elected in 1866.
Re-elected in 1868.
Retired.
[[File:JamesCarrollRobinson (Higher Quality, Crop).jpg124x124px]]
James Carroll Robinson
(Springfield)DemocraticnowrapMarch 4, 1871 –
March 3, 1873Elected in 1870.
Redistricted to the .
[[File:Greenbury Lafayette Fort.jpg100px]]
Greenbury L. Fort
(Lacon)RepublicannowrapMarch 4, 1873 –
March 3, 1881Elected in 1872.
Re-elected in 1874.
Re-elected in 1876.
Re-elected in 1878.
Retired.1873–1883
Ford, Iroquois, Kankakee, Livingston, Marshall, and Woodford
[[File:Lewis E. Payson (Illinois Congressman).jpg100px]]
Lewis E. Payson
(Pontiac)RepublicannowrapMarch 4, 1881 –
March 3, 1883Elected in 1880.
Redistricted to the .
[[File:WilliamCullen.jpg100px]]
William Cullen
(Ottawa)RepublicannowrapMarch 4, 1883 –
March 3, 1885Redistricted from the and re-elected in 1882.
Lost renomination.1883–1895
DuPage, Grundy, Kendall, LaSalle, and Will
[[File:Ralph Plumb (1816–1903).png100px]]
Ralph Plumb
(Streator)RepublicannowrapMarch 4, 1885 –
March 3, 1889Elected in 1884.
Re-elected in 1886.
Retired.
[[File:Charles A. Hill (Illinois Congressman).jpg100px]]
Charles A. Hill
(Joliet)RepublicannowrapMarch 4, 1889 –
March 3, 1891Elected in 1888.
Lost re-election.
[[File:IL Rep Lewis Steward (cropped).jpg133x133px]]
Lewis Steward
(Plano)DemocraticnowrapMarch 4, 1891 –
March 3, 1893Elected in 1890.
Lost re-election.
[[File:Robert A. Childs (Illinois Congressman).jpg100px]]
Robert A. Childs
(Hinsdale)RepublicannowrapMarch 4, 1893 –
March 3, 1895Elected in 1892.
Retired.
[[File:Albert J. Hopkins.jpg100px]]
Albert J. Hopkins
(Aurora)RepublicannowrapMarch 4, 1895 –
March 3, 1903Redistricted from the and re-elected in 1894.
Re-elected in 1896.
Re-elected in 1898.
Re-elected in 1900.
Retired to run for U.S. senator.1895–1903
DeKalb, DuPage, Grundy, Kane, Kendall, and McHenry
[[File:WilliamFMahoney.jpg100px]]
William F. Mahoney
(Chicago)DemocraticnowrapMarch 4, 1903 –
December 27, 1904Redistricted from the and re-elected in 1902.
Died.1903–1913
Cook
VacantnowrapDecember 27, 1904 –
March 3, 1905
[[File:Charles McGavin (cropped).jpg100px]]
Charles McGavin
(Chicago)RepublicannowrapMarch 4, 1905 –
March 3, 1909Elected in 1904.
Re-elected in 1906.
Retired.
[[File:ThomasGallagherIL.jpg100px]]
Thomas Gallagher
(Chicago)DemocraticMarch 4, 1909 –
March 3, 1921Elected in 1908.
Re-elected in 1910.
Re-elected in 1912.
Re-elected in 1914.
Re-elected in 1916.
Re-elected in 1918.
Retired.
1913–1949
Cook
[[File:StanleyHKunz.jpg100px]]
Stanley H. Kunz
(Chicago)DemocraticnowrapMarch 4, 1921 –
March 3, 1931Elected in 1920.
Re-elected in 1922.
Re-elected in 1924.
Re-elected in 1926.
Re-elected in 1928.
Lost re-election.
Peter C. Granata
(Chicago)RepublicannowrapMarch 4, 1931 –
April 5, 1932Lost contested election.
[[File:StanleyHKunz.jpg100px]]
Stanley H. Kunz
(Chicago)DemocraticnowrapApril 5, 1932 –
March 3, 1933Won contested election.
Lost renomination.
[[File:Leo Kocialkowski (Illinois Congressman).jpg100px]]
Leo Kocialkowski
(Chicago)DemocraticnowrapMarch 4, 1933 –
January 3, 1943Elected in 1932.
Re-elected in 1934.
Re-elected in 1936.
Re-elected in 1938.
Re-elected in 1940.
Lost renomination.
[[File:ThomasSGordon.jpg100px]]
Thomas S. Gordon
(Chicago)DemocraticJanuary 3, 1943 –
January 3, 1959Elected in 1942.
Re-elected in 1944.
Re-elected in 1946.
Re-elected in 1948.
Re-elected in 1950.
Re-elected in 1952.
Re-elected in 1954.
Re-elected in 1956.
Retired.
1949–1953
Cook
1953–1963
Cook
[[File:Rostenkowski,dan.jpg100px]]
Dan Rostenkowski
(Chicago)DemocraticJanuary 3, 1959 –
January 3, 1993Elected in 1958.
Re-elected in 1960.
Re-elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Re-elected in 1980.
Re-elected in 1982.
Re-elected in 1984.
Re-elected in 1986.
Re-elected in 1988.
Re-elected in 1990.
Redistricted to the .
1963–1967
Cook
1967–1973
Cook
1973–1983
Cook
1983–1993
Cook
[[File:PhilCrane.jpg100px]]
Phil Crane
(Wauconda)RepublicanJanuary 3, 1993 –
January 3, 2005Redistricted from the and re-elected in 1992.
Re-elected in 1994.
Re-elected in 1996.
Re-elected in 1998.
Re-elected in 2000.
Re-elected in 2002.
Lost re-election.1993–2003
Cook and Lake
2003–2013
[[File:United States House of Representatives, Illinois District 8 map.gif300px]]
Cook, Lake, and McHenry
[[File:Melissa Bean Official.jpg100px]]
Melissa Bean
(Barrington)DemocraticnowrapJanuary 3, 2005 –
January 3, 2011Elected in 2004.
Re-elected in 2006.
Re-elected in 2008.
Lost re-election.
[[File:Rep Joe Walsh.jpg100px]]
Joe Walsh
(McHenry)RepublicannowrapJanuary 3, 2011 –
January 3, 2013Elected in 2010.
Lost re-election.
[[File:Tammy Duckworth, official portrait, 113th Congress.jpg100px]]
Tammy Duckworth
(Hoffman Estates)DemocraticnowrapJanuary 3, 2013 –
January 3, 2017Elected in 2012.
Re-elected in 2014.
Retired to run for U.S. senator.2013–2023
[[File:Illinois US Congressional District 8 (since 2013).tif300px]]
Cook, DuPage, and Kane
[[File:Raja Krishnamoorthi official photo.jpg100px]]
Raja Krishnamoorthi
(Schaumburg)DemocraticJanuary 3, 2017 –
presentElected in 2016.
Re-elected in 2018.
Re-elected in 2020.
Re-elected in 2022.
Re-elected in 2024.
Retiring to run for U.S Senate.
2023–present
[[File:Illinois's 8th congressional district (since 2023) (new version).svg300px]]
Cook, DuPage, and Kane

Elections

2012 election

Main article: 2012 United States House of Representatives elections in Illinois

Incumbent Representative Joe Walsh was drawn out of the district for 2012 by 2011 redistricting, although a candidate is not required to live in the district to be eligible to run for a seat in Congress. Democrat Raja Krishnamoorthi of Hoffman Estates announced his candidacy for the seat in late May 2011. In July 2011, Democrat Tammy Duckworth also announced plans to run for the seat. Duckworth won the Democratic nomination on March 20, 2012. Duckworth defeated Walsh in the general election on November 6, 2012.

2014

2016

2018

2020

2022

2024

Historical district boundaries

2003–2013
2013–2023

References

Sources

References

  1. Center for New Media & Promotion (CNMP), US Census Bureau. "My Congressional District".
  2. (April 3, 2025). "2025 Cook PVI℠: District Map and List (119th Congress)".
  3. [http://elections.il.gov/Downloads/VotingInformation/PDF/2011Districts/2011CongDist8.pdf Illinois Congressional District 8] {{Webarchive. link. (August 17, 2012 , Illinois Board of Elections)
  4. "Dra 2020".
  5. (1855). "Journal of the House of Representatives of the General Assembly of the State of Illinois, 1855.". Lanphier & Walker, Printers.
  6. US Constitution, Article One, Section Two, Clause Two: Qualifications of Members of the House of Representatives [[Article One of the United States Constitution#Clause 2: Qualifications of Members]]
  7. (6 July 2011). "Tammy Duckworth running for Congress again, in redrawn 8th". [[Chicago Sun Times]].
  8. "2012 General Election Official Vote Totals". Illinois State Board of Elections.
  9. (2014-11-04). "Illinois General Election 2014". Illinois State Board of Elections.
  10. (2016-11-08). "Illinois General Election 2016". Illinois State Board of Elections.
  11. "2018 General Election Official Vote Totals Book".
  12. (November 20, 2020). "Illinois 2020 Election Results". [[Chicago Sun-Times]].
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