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Illinois' 8th Congressional District

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Illinois' 8th Congressional District
Incumbent
Assumed office: January 3, 2017

Illinois' 8th Congressional District in the United States House of Representatives is represented by Raja Krishnamoorthi (D).

As of the 2020 Census, Illinois representatives represented an average of 754,279 residents. After the 2010 Census, each member represented 714,688 residents.

Elections

See also: Illinois's 8th Congressional District election, 2030


There are no official candidates yet for this election.


See also: Illinois' 8th Congressional District election, 2028


There are no official candidates yet for this election.


See also: Illinois' 8th Congressional District election, 2026

General election

The primary will occur on March 17, 2026. The general election will occur on November 3, 2026. General election candidates will be added here following the primary.

Democratic primary

Democratic primary for U.S. House Illinois District 8

The following candidates are running in the Democratic primary for U.S. House Illinois District 8 on March 17, 2026.


Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Republican primary

Republican primary for U.S. House Illinois District 8

Kevin Ake (R), Jennifer Davis (R), Herbert Hebein (R), and Mark Rice (R) are running in the Republican primary for U.S. House Illinois District 8 on March 17, 2026.


Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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See also: Illinois' 8th Congressional District election, 2024

General election

General election for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated Mark Rice (R) in the general election for U.S. House Illinois District 8 on November 5, 2024.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi (D)
 
57.1
 
172,920
Image of Mark Rice
Mark Rice (R)  Candidate Connection
 
42.9
 
130,153

Total votes: 303,073
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Democratic primary

Democratic primary for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) advanced from the Democratic primary for U.S. House Illinois District 8 on March 19, 2024.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi
 
100.0
 
34,640

Total votes: 34,640
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

Do you want a spreadsheet of this type of data? Contact our sales team.

Republican primary

Republican primary for U.S. House Illinois District 8

Mark Rice (R) advanced from the Republican primary for U.S. House Illinois District 8 on March 19, 2024.

Candidate
%
Votes
Image of Mark Rice
Mark Rice  Candidate Connection
 
100.0
 
24,362

Total votes: 24,362
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

See also: Illinois' 8th Congressional District election, 2022

General election

General election for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated Chris Dargis (R) in the general election for U.S. House Illinois District 8 on November 8, 2022.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi (D)
 
56.9
 
117,880
Image of Chris Dargis
Chris Dargis (R)
 
43.1
 
89,335

Total votes: 207,215
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Democratic primary

Democratic primary for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated Junaid Ahmed (D) in the Democratic primary for U.S. House Illinois District 8 on June 28, 2022.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi
 
70.3
 
29,933
Image of Junaid Ahmed
Junaid Ahmed  Candidate Connection
 
29.7
 
12,627

Total votes: 42,560
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Republican primary

Republican primary for U.S. House Illinois District 8

Chris Dargis (R) defeated Phillip Wood (R), Peter Kopsaftis (R), Karen Kolodziej (R), and Chad Koppie (R) in the Republican primary for U.S. House Illinois District 8 on June 28, 2022.

Candidate
%
Votes
Image of Chris Dargis
Chris Dargis
 
32.0
 
11,055
Image of Phillip Wood
Phillip Wood  Candidate Connection
 
18.9
 
6,529
Image of Peter Kopsaftis
Peter Kopsaftis
 
17.6
 
6,101
Karen Kolodziej
 
17.4
 
6,017
Image of Chad Koppie
Chad Koppie
 
14.1
 
4,886

Total votes: 34,588
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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See also: Illinois' 8th Congressional District election, 2020

General election

General election for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated Preston Nelson (L) in the general election for U.S. House Illinois District 8 on November 3, 2020.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi (D)
 
73.2
 
186,251
Image of Preston Nelson
Preston Nelson (L)  Candidate Connection
 
26.8
 
68,327

Total votes: 254,578
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Democratic primary

Democratic primary for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated W. Thomas La Fontaine Olson (D) and Inam Hussain (D) in the Democratic primary for U.S. House Illinois District 8 on March 17, 2020.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi
 
79.9
 
51,829
Image of W. Thomas La Fontaine Olson
W. Thomas La Fontaine Olson  Candidate Connection
 
13.0
 
8,441
Inam Hussain
 
7.0
 
4,563

Total votes: 64,833
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Republican primary

The Republican primary scheduled for March 17, 2020, was canceled.

See also: Illinois' 8th Congressional District election, 2018

General election

General election for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) defeated Jitendra Diganvker (R) in the general election for U.S. House Illinois District 8 on November 6, 2018.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi (D)
 
66.0
 
130,054
Image of Jitendra Diganvker
Jitendra Diganvker (R)
 
34.0
 
67,073

Total votes: 197,127
(100% precincts reporting)
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Democratic primary

Democratic primary for U.S. House Illinois District 8

Incumbent Raja Krishnamoorthi (D) advanced from the Democratic primary for U.S. House Illinois District 8 on March 20, 2018.

Candidate
%
Votes
Image of Raja Krishnamoorthi
Raja Krishnamoorthi
 
100.0
 
44,042

Total votes: 44,042
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Do you want a spreadsheet of this type of data? Contact our sales team.

Republican primary

Republican primary for U.S. House Illinois District 8

Jitendra Diganvker (R) advanced from the Republican primary for U.S. House Illinois District 8 on March 20, 2018.

Candidate
%
Votes
Image of Jitendra Diganvker
Jitendra Diganvker
 
100.0
 
25,448

Total votes: 25,448
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Previous election results


District map

2023_01_03_il_congressional_district_08.jpg

Redistricting

2020-2021

See also: Redistricting in Illinois after the 2020 census

Illinois enacted a congressional map on November 24, 2021, after Gov. J.B. Pritzker (D) signed the proposal into law.[12] The Illinois State Senate voted 41-18 in favor of the map on October 28, 2021, followed by the Illinois House of Representatives voting 71-43 in favor on October 29, 2021.[13]

How does redistricting in Illinois work? The Illinois General Assembly is responsible for drawing both congressional and state legislative district lines. Both chambers of the state legislature must approve a redistricting plan. The governor may veto the lines drawn by the state legislature.[14]

In the event that both chambers of the state legislature do not approve a legislative redistricting plan, a backup commission must draw the lines. The majority and minority leaders of each chamber must appoint two members each to the commission (one legislator and one general citizen). Of the eight commission members, no more than four may belong to the same political party. In the event that these eight members cannot approve a plan, the Illinois Supreme Court must select two individuals (from different political parties) as potential tiebreakers. The secretary of state must then appoint one of these individuals to the backup commission to break the tie.[14]

The Illinois Constitution requires that state legislative districts be "contiguous and reasonably compact." There are no such requirements in place for the state's congressional districts.[14]

State law also mandates the establishment of state legislative districts "that allow racial or language minority communities to elect--or influence the election of--the candidates of their choice, even if no comparable district would be required by the federal Voting Rights Act."[14]

2020

2019_05_02_il_congressional_district_8.jpg

2024

2023_01_03_il_congressional_district_08.jpg

2010-2011

This is the 8th Congressional District of Illinois after the 2001 redistricting process.
See also: Redistricting in Illinois after the 2010 census

In 2011, the Illinois State Legislature re-drew the congressional districts based on updated population information from the 2010 census.

District analysis

See also: The Cook Political Report's Partisan Voter Index
See also: FiveThirtyEight's elasticity scores

2026

Heading into the 2026 elections, based on results from the 2024 and 2020 presidential elections, the Cook Partisan Voter Index for this district is D+5. This meant that in those two presidential elections, this district's results were 5 percentage points more Democratic than the national average. This made Illinois' 8th the 163rd most Democratic district nationally.[15]

2024

Heading into the 2024 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district was D+6. This meant that in those two presidential elections, this district's results were 6 percentage points more Democratic than the national average. This made Illinois' 8th the 159th most Democratic district nationally.[16]

Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Joe Biden (D) would have defeated Donald Trump (R) 56.8%-41.4%.[17]

2022

Heading into the 2022 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district was D+6. This meant that in those two presidential elections, this district's results were 6 percentage points more Democratic than the national average. This made Illinois' 8th the 158th most Democratic district nationally.[18]

Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Joe Biden (D) would have received 56.8% of the vote in this district and Donald Trump (R) would have received 41.4%.[19]

2018

Heading into the 2018 elections, based on results from the 2016 and 2012 presidential elections, the Cook Partisan Voter Index for this district was D+8. This meant that in those two presidential elections, this district's results were 8 percentage points more Democratic than the national average. This made Illinois' 8th Congressional District the 135th most Democratic nationally.[20]

FiveThirtyEight's September 2018 elasticity score for states and congressional districts measured "how sensitive it is to changes in the national political environment." This district's elasticity score was 1.22. This means that for every 1 point the national political mood moved toward a party, the district was expected to move 1.22 points toward that party.[21]

See also

External links

Footnotes

  1. Illinois State Board of Elections, "Candidate List," accessed November 30, 2015
  2. The New York Times, "Illinois Primary Results," March 15, 2016
  3. Daily Herald, "Goel announces 8th congressional candidacy," accessed October 7, 2013
  4. Federal Election Commission, "Lawrence Kaifesh," accessed October 30, 2013
  5. Politico, "2012 Election Map, Illinois"
  6. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 2, 2010," accessed March 28, 2013
  7. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 4, 2008," accessed March 28, 2013
  8. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 7, 2006," accessed March 28, 2013
  9. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 2, 2004," accessed March 28, 2013
  10. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 5, 2002," accessed March 28, 2013
  11. U.S. Congress House Clerk, "Statistics of the Congressional Election of November 7, 2000," accessed March 28, 2013
  12. The Associated Press, "Gov. Pritzker signs new Illinois congressional map into law," Nov. 24, 2021
  13. Chicago Tribune, "Fourth version of a Democratic-drawn congressional map passed by legislators, heads to Pritzker," Oct. 29, 2021
  14. 14.0 14.1 14.2 14.3 All About Redistricting, "Illinois," accessed April 16, 2015
  15. Cook Political Report, "2025 Cook PVI℠: District Map and List (119th Congress)," accessed July 1, 2025
  16. Cook Political Report, "The 2022 Cook Partisan Voting Index (Cook PVI℠)," accessed January 10, 2024
  17. Daily Kos, "Daily Kos Elections' 2020 presidential results by congressional district, for new and old districts," accessed September 15, 2022
  18. Cook Political Report, "The 2022 Cook Partisan Voting Index (Cook PVI℠)," accessed February 6, 2023
  19. Daily Kos, "Daily Kos Elections' 2020 presidential results by congressional district, for new and old districts," accessed September 15, 2022
  20. Cook Political Report, "Introducing the 2017 Cook Political Report Partisan Voter Index," April 7, 2017
  21. FiveThirtyEight, "Election Update: The Most (And Least) Elastic States And Districts," September 6, 2018


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