Illinois's 8th congressional district

Illinois's 8th congressional district
Interactive map of district boundaries since January 3, 2023
Area291.5 mi2 (755 km2)
Distribution
  • 100.0% urban
  • 0.0% rural
Population (2024)
752,591
Median household income
$96,230
Ethnicity
Cook PVID+5

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

For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of the following counties, townships, and municipalities:

Cook County (25)

Arlington Heights (part, also 5th and 9th), Barrington Hills (part, also 5th; shared with Kane, Lake, and McHenry counties), Barrington Township (part, also 5th), Bartlett (part, also 3rd; shared with DuPage County), Chicago (part, also 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, and 9th; shared with DuPage County), Deer Park (part, also 5th; shared with Lake County), Des Plaines (part, also 3rd, 5th, and 9th), East Dundee (part, shared with Kane County), Elgin (part, also 3rd; shared with Kane County), Elk Grove Township (part, also 3rd and 5th; shared with DuPage County), Elk Grove Village (part, also 3rd; shared with DuPage County), Hanover Park (part, also 3rd; shared with DuPage County), Hanover Township (part, also 3rd), Hoffman Estates (part, also 5th), Inverness (part, also 5th), Mount Prospect (part, also 5th), Norridge (part, also 5th), Palatine (part, also 5th), Palatine Township (part, also 5th), Rolling Meadows (part, also 5th), Roselle (part, shared with DuPage County), Rosemont (part, also 5th), Schaumburg (part, also 5th; shared with DuPage County), Streamwood (part, also 3rd), South Barrington (part, also 5th)

DuPage County (15)

Addison (part, also 3rd), Addison Township (part, also 3rd), Bartlett (part, also 3rd; shared with Cook County), Bloomingdale, Bloomingdale Township (part, also 3rd), Carol Stream (part, also 3rd), Elk Grove Village (part, also 3rd; shared with DuPage County), Hanover Park (part, also 3rd; shared with Cook County), Itasca, Glendale Heights (part, also 3rd), Glen Ellyn (part, also 3rd and 6th), Milton Township (part, also 3rd and 6th), Roselle (part, shared with Cook County), Wayne Township (part, also 3rd), Wood Dale (part, also 3rd)

Kane County (21)

Algonquin (part, also 9th; shared with McHenry County), Barrington Hills (part, also 5th; shared with Cook, Lake, and McHenry counties), Batavia (part, also 11th), Carpentersville, Dundee Township, East Dundee (part, shared with Cook County), Elgin (part, also 3rd; shared with Cook County), Elgin Township (part, also 11th), Geneva (part, also 11th), Geneva Township (part, also 11th), Gilberts, Hampshire (part, also 11th), Huntley (part, also 11th; shared with McHenry County), Pingree Grove, Rutland Township (part, also 11th), Sleepy Hollow, South Elgin, St. Charles (part, also 11th), St. Charles Township (part, also 11th), Wayne (part, also 3rd; shared with DuPage County), West Dundee

Chicago neighborhoods in the 8th district include:

Recent election results from statewide races

Year Office Results
2008 President Obama 59% - 40%
2012 President Obama 55% - 45%
2016 President Clinton 55% - 39%
Senate Duckworth 52% - 42%
Comptroller (Spec.) Munger 48% - 45%
2018 Governor Pritzker 51% - 43%
Attorney General Raoul 53% - 44%
Secretary of State White 66% - 31%
Comptroller Mendoza 58% - 39%
Treasurer Frerichs 54% - 42%
2020 President Biden 57% - 41%
Senate Durbin 55% - 40%
2022 Senate Duckworth 56% - 42%
Governor Pritzker 55% - 42%
Attorney General Raoul 55% - 43%
Secretary of State Giannoulias 55% - 43%
Comptroller Mendoza 56% - 42%
Treasurer Frerichs 53% - 44%
2024 President Harris 52% - 45%

List of members representing the district

Name Party Years Cong–
ress		 Electoral history Counties
District created March 4, 1853.

William Henry Bissell
(Belleville)		 Independent
Democratic		 March 4, 1853 –
March 3, 1855		 33rd Redistricted from the 1st district and re-elected in 1852.
Retired.		 1853–1863
[data missing]
Vacant March 4, 1855 –
November 4, 1856		 34th Representative-elect Lyman Trumbull was elected to the U.S. Senate on February 8, 1855.

James L. D. Morrison
(McLeansboro)		 Democratic November 4, 1856 –
March 3, 1857		 34th Elected to finish Trumbull's term.
Retired.

Robert Smith
(Alton)		 Democratic March 4, 1857 –
March 3, 1859		 35th Elected in 1856.
Lost renomination.

Philip B. Fouke
(Belleville)		 Democratic March 4, 1859 –
March 3, 1863		 36th
37th		 Elected in 1858.
Re-elected in 1860.
Retired.

John T. Stuart
(Springfield)		 Democratic March 4, 1863 –
March 3, 1865		 38th Elected in 1862.
Lost re-election.		 1863–1873
DeWitt, Livingston, Logan, McLean, Sangamon, Tazewell, and Woodford

Shelby Moore Cullom
(Springfield)		 Republican March 4, 1865 –
March 3, 1871		 39th
40th
41st		 Elected in 1864.
Re-elected in 1866.
Re-elected in 1868.
Retired.

James Carroll Robinson
(Springfield)		 Democratic March 4, 1871 –
March 3, 1873		 42nd Elected in 1870.
Redistricted to the 12th district.

Greenbury L. Fort
(Lacon)		 Republican March 4, 1873 –
March 3, 1881		 43rd
44th
45th
46th		 Elected in 1872.
Re-elected in 1874.
Re-elected in 1876.
Re-elected in 1878.
Retired.		 1873–1883
Ford, Iroquois, Kankakee, Livingston, Marshall, and Woodford

Lewis E. Payson
(Pontiac)		 Republican March 4, 1881 –
March 3, 1883		 47th Elected in 1880.
Redistricted to the 9th district.

William Cullen
(Ottawa)		 Republican March 4, 1883 –
March 3, 1885		 48th Redistricted from the 7th district and re-elected in 1882.
Lost renomination.		 1883–1895
DuPage, Grundy, Kendall, LaSalle, and Will

Ralph Plumb
(Streator)		 Republican March 4, 1885 –
March 3, 1889		 49th
50th		 Elected in 1884.
Re-elected in 1886.
Retired.

Charles A. Hill
(Joliet)		 Republican March 4, 1889 –
March 3, 1891		 51st Elected in 1888.
Lost re-election.

Lewis Steward
(Plano)		 Democratic March 4, 1891 –
March 3, 1893		 52nd Elected in 1890.
Lost re-election.

Robert A. Childs
(Hinsdale)		 Republican March 4, 1893 –
March 3, 1895		 53rd Elected in 1892.
Retired.

Albert J. Hopkins
(Aurora)		 Republican March 4, 1895 –
March 3, 1903		 54th
55th
56th
57th		 Redistricted from the 5th district 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

William F. Mahoney
(Chicago)		 Democratic March 4, 1903 –
December 27, 1904		 58th Redistricted from the 5th district and re-elected in 1902.
Died.		 1903–1913
Cook
Vacant December 27, 1904 –
March 3, 1905		 58th

Charles McGavin
(Chicago)		 Republican March 4, 1905 –
March 3, 1909		 59th
60th		 Elected in 1904.
Re-elected in 1906.
Retired.

Thomas Gallagher
(Chicago)		 Democratic March 4, 1909 –
March 3, 1921		 61st
62nd
63rd
64th
65th
66th		 Elected 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

Stanley H. Kunz
(Chicago)		 Democratic March 4, 1921 –
March 3, 1931		 67th
68th
69th
70th
71st		 Elected 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)		 Republican March 4, 1931 –
April 5, 1932		 72nd Lost contested election.

Stanley H. Kunz
(Chicago)		 Democratic April 5, 1932 –
March 3, 1933		 72nd Won contested election.
Lost renomination.

Leo Kocialkowski
(Chicago)		 Democratic March 4, 1933 –
January 3, 1943		 73rd
74th
75th
76th
77th		 Elected in 1932.
Re-elected in 1934.
Re-elected in 1936.
Re-elected in 1938.
Re-elected in 1940.
Lost renomination.

Thomas S. Gordon
(Chicago)		 Democratic January 3, 1943 –
January 3, 1959		 78th
79th
80th
81st
82nd
83rd
84th
85th		 Elected 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

Dan Rostenkowski
(Chicago)		 Democratic January 3, 1959 –
January 3, 1993		 86th
87th
88th
89th
90th
91st
92nd
93rd
94th
95th
96th
97th
98th
99th
100th
101st
102nd		 Elected 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 5th district.
1963–1967
Cook
1967–1973
Cook
1973–1983
Cook
1983–1993
Cook

Phil Crane
(Wauconda)		 Republican January 3, 1993 –
January 3, 2005		 103rd
104th
105th
106th
107th
108th		 Redistricted from the 12th district 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

Cook, Lake, and McHenry

Melissa Bean
(Barrington)		 Democratic January 3, 2005 –
January 3, 2011		 109th
110th
111th		 Elected in 2004.
Re-elected in 2006.
Re-elected in 2008.
Lost re-election.

Joe Walsh
(McHenry)		 Republican January 3, 2011 –
January 3, 2013		 112th Elected in 2010.
Lost re-election.

Tammy Duckworth
(Hoffman Estates)		 Democratic January 3, 2013 –
January 3, 2017		 113th
114th		 Elected in 2012.
Re-elected in 2014.
Retired to run for U.S. senator.		 2013–2023

Cook, DuPage, and Kane

Raja Krishnamoorthi
(Schaumburg)		 Democratic January 3, 2017 –
present		 115th
116th
117th
118th
119th		 Elected 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

Cook, DuPage, and Kane

Elections

2012 election

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.

Illinois's 8th congressional district, 2012
Party Candidate Votes %
Democratic Tammy Duckworth 123,206 54.7
Republican Joe Walsh (incumbent) 101,860 45.3
Total votes 225,066 100.0
Democratic gain from Republican

2014

Illinois's 8th congressional district, 2014
Party Candidate Votes %
Democratic Tammy Duckworth (incumbent) 84,178 55.7
Republican Larry Kaifesh 66,878 44.3
Total votes 151,056 100.0
Democratic hold

2016

Illinois's 8th congressional district, 2016
Party Candidate Votes %
Democratic Raja Krishnamoorthi 144,954 58.3
Republican Pete DiCianni 103,617 41.7
Total votes 248,571 100.0
Democratic hold

2018

Illinois's 8th congressional district, 2018
Party Candidate Votes %
Democratic Raja Krishnamoorthi (incumbent) 130,054 66.0
Republican Jitendra "JD" Diganvker 67,073 34.0
Total votes 197,127 100.0
Democratic hold

2020

Illinois's 8th congressional district, 2020
Party Candidate Votes % ±%
Democratic Raja Krishnamoorthi (incumbent) 186,251 73.16 +7.19%
Libertarian Preston Gabriel Nelson 68,327 26.84 N/A
Total votes 254,578 100.0
Democratic hold

2022

Illinois's 8th congressional district, 2022
Party Candidate Votes %
Democratic Raja Krishnamoorthi (incumbent) 117,880 56.89
Republican Chris Dargis 89,335 43.11
Total votes 207,215 100.0
Democratic hold

2024

Illinois's 8th congressional district, 2024
Party Candidate Votes % ±%
Democratic Raja Krishnamoorthi (incumbent) 172,920 57.06 +0.17%
Republican Mark Rice 130,153 42.94 −0.17%
Total votes 303,073 100.0
Democratic hold

See also

References

  1. ↑ Center for New Media & Promotion (CNMP), US Census Bureau. "My Congressional District". www.census.gov.
  2. ↑ "2025 Cook PVI℠: District Map and List (119th Congress)". Cook Political Report. April 3, 2025. Retrieved April 5, 2025.
  3. ↑ Illinois Congressional District 8 Archived August 17, 2012, at the Wayback Machine, Illinois Board of Elections
  4. ↑ https://www2.census.gov/geo/maps/cong_dist/cd119/cd_based/ST17/CD119_IL08.pdf
  5. ↑ "Dra 2020".
  6. ↑ Journal of the House of Representatives of the General Assembly of the State of Illinois, 1855. Springfield, IL: Lanphier & Walker, Printers. 1855.
  7. ↑ 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
  8. ↑ "Tammy Duckworth running for Congress again, in redrawn 8th". Chicago Sun Times. July 6, 2011. Archived from the original on November 18, 2012. Retrieved July 9, 2011.
  9. ↑ "2012 General Election Official Vote Totals" (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 19, 2013. Retrieved March 26, 2012.
  10. ↑ "Illinois General Election 2014". Illinois State Board of Elections. November 4, 2014. Retrieved December 18, 2014.
  11. ↑ "Illinois General Election 2016". Illinois State Board of Elections. November 8, 2016. Archived from the original on March 27, 2019. Retrieved December 13, 2016.
  12. ↑ "2018 General Election Official Vote Totals Book".
  13. ↑ "Illinois 2020 Election Results". Chicago Sun-Times. November 20, 2020. Retrieved November 20, 2020.

Sources

42°00′35″N 88°05′48″W / 42.00972°N 88.09667°W / 42.00972; -88.09667