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Illinois Comptroller election, 2026

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2022
Illinois Comptroller
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Election details
Filing deadline: November 3, 2025
Primary: March 17, 2026
General: November 3, 2026
How to vote
Poll times:

6 a.m. to 7 p.m.
Voting in Illinois

Ballotpedia analysis
Federal and state primary competitiveness
State executive elections in 2026
Impact of term limits in 2026
State government trifectas
State government triplexes
Ballotpedia's Election Analysis Hub, 2026
Illinois
executive elections
Governor

Lieutenant Governor
Attorney General
Secretary of State
Comptroller
Treasurer

Illinois is holding an election for comptroller on November 3, 2026. The primary is March 17, 2026. The filing deadline was November 3, 2025.

Candidates and election results

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 election

Democratic primary for Illinois Comptroller

Margaret Croke, George Danos, Stephanie Kifowit, Holly Kim, and Karina Villa are running in the Democratic primary for Illinois Comptroller on March 17, 2026.


Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Republican primary election

Republican primary for Illinois Comptroller

Bryan Drew is running in the Republican primary for Illinois Comptroller on March 17, 2026.


Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Candidate profiles

There are currently no candidate profiles created for this race. Candidate profiles will appear here as they are created. Encourage the candidates in this race to complete Ballotpedia's Candidate Connection survey so that their profile will appear here.

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No candidate in this race has completed Ballotpedia's Candidate Connection survey. Ballotpedia is seeking 100 percent participation so voters can learn more about all the candidates on their ballots.

Voting information

See also: Voting in Illinois

Election information in Illinois: Nov. 3, 2026, election.

What is the voter registration deadline?

  • In-person: Oct. 6, 2026
  • By mail: Postmarked by Oct. 6, 2026
  • Online: Oct. 18, 2026

Is absentee/mail-in voting available to all voters?

N/A

What is the absentee/mail-in ballot request deadline?

  • In-person: Nov. 2, 2026
  • By mail: Received by Oct. 29, 2026
  • Online: Oct. 29, 2026

What is the absentee/mail-in ballot return deadline?

  • In-person: Nov. 3, 2026
  • By mail: Postmarked by Nov. 3, 2026

Is early voting available to all voters?

Yes

What are the early voting start and end dates?

Sep. 24, 2026 to Nov. 2, 2026

Are all voters required to present ID at the polls? If so, is a photo or non-photo ID required?

N/A

When are polls open on Election Day?

6:00 a.m. - 7:00 p.m. (CT)


Past elections

The section below details election results for this office in elections dating back to 2016.

2022

See also: Illinois Comptroller election, 2022

General election

General election for Illinois Comptroller

Incumbent Susana Mendoza defeated Shannon Teresi, Deirdre McCloskey, and Jeffrey English in the general election for Illinois Comptroller on November 8, 2022.

Candidate
%
Votes
Image of Susana Mendoza
Susana Mendoza (D)
 
57.1
 
2,331,714
Image of Shannon Teresi
Shannon Teresi (R)
 
41.0
 
1,676,637
Deirdre McCloskey (L)
 
1.9
 
76,808
Jeffrey English (Independent) (Write-in)
 
0.0
 
25

Total votes: 4,085,184
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.

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Democratic primary election

Democratic primary for Illinois Comptroller

Incumbent Susana Mendoza advanced from the Democratic primary for Illinois Comptroller on June 28, 2022.

Candidate
%
Votes
Image of Susana Mendoza
Susana Mendoza
 
100.0
 
838,155

Total votes: 838,155
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 election

Republican primary for Illinois Comptroller

Shannon Teresi advanced from the Republican primary for Illinois Comptroller on June 28, 2022.

Candidate
%
Votes
Image of Shannon Teresi
Shannon Teresi
 
100.0
 
666,835

Total votes: 666,835
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

2018

See also: Illinois Comptroller election, 2018

General election

General election for Illinois Comptroller

Incumbent Susana Mendoza defeated Darlene Senger and Claire Ball in the general election for Illinois Comptroller on November 6, 2018.

Candidate
%
Votes
Image of Susana Mendoza
Susana Mendoza (D)
 
59.9
 
2,716,853
Image of Darlene Senger
Darlene Senger (R)
 
37.0
 
1,678,346
Image of Claire Ball
Claire Ball (L)
 
3.1
 
140,543
 Other/Write-in votes
 
0.0
 
17

Total votes: 4,535,759
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.

Democratic primary election

Democratic primary for Illinois Comptroller

Incumbent Susana Mendoza advanced from the Democratic primary for Illinois Comptroller on March 20, 2018.

Candidate
%
Votes
Image of Susana Mendoza
Susana Mendoza
 
100.0
 
1,147,095

Total votes: 1,147,095
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 election

Republican primary for Illinois Comptroller

Darlene Senger advanced from the Republican primary for Illinois Comptroller on March 20, 2018.

Candidate
%
Votes
Image of Darlene Senger
Darlene Senger
 
100.0
 
607,187

Total votes: 607,187
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.

2016

See also: Illinois Comptroller special election, 2016

The general election for comptroller was held on November 8, 2016.

Susana Mendoza defeated Leslie Munger, Claire Ball, and Tim Curtin in the Illinois comptroller election.

Illinois Comptroller, 2016
Party Candidate Vote % Votes
     Democratic Green check mark transparent.png Susana Mendoza 49.45% 2,676,244
     Republican Leslie Munger 44.43% 2,404,723
     Libertarian Claire Ball 3.46% 187,017
     Green Tim Curtin 2.67% 144,559
Total Votes 5,412,543
Source: Illinois Secretary of State

Election analysis

Click the tabs below to view information about demographics, past elections, and partisan control of the state.

  • Presidential elections - Information about presidential elections in the state.
  • Statewide elections - Information about recent U.S. Senate and gubernatorial elections in the state.
  • State partisanship - The partisan makeup of the state's congressional delegation and state government.
  • Demographics - Information about the state's demographics and how they compare to the country as a whole.


See also: Presidential voting trends in Illinois and The Cook Political Report's Partisan Voter Index

Cook PVI by congressional district

2024 presidential results by 2026 congressional district lines

2024 presidential results in congressional districts, Illinois
District Kamala Harris Democratic Party Donald Trump Republican Party
Illinois' 1st 65.0% 33.0%
Illinois' 2nd 66.0% 33.0%
Illinois' 3rd 65.0% 34.0%
Illinois' 4th 63.0% 35.0%
Illinois' 5th 68.0% 31.0%
Illinois' 6th 52.0% 47.0%
Illinois' 7th 82.0% 17.0%
Illinois' 8th 53.0% 46.0%
Illinois' 9th 68.0% 31.0%
Illinois' 10th 60.0% 38.0%
Illinois' 11th 55.0% 44.0%
Illinois' 12th 28.0% 71.0%
Illinois' 13th 54.0% 44.0%
Illinois' 14th 52.0% 47.0%
Illinois' 15th 29.0% 69.0%
Illinois' 16th 38.0% 61.0%
Illinois' 17th 52.0% 47.0%
Source: The Downballot

2016-2024

How a state's counties vote in a presidential election and the size of those counties can provide additional insights into election outcomes at other levels of government including statewide and congressional races. Below, four categories are used to describe each county's voting pattern over the 2016, 2020, and 2024 presidential elections: Solid, Trending, Battleground, and New. Click [show] on the table below for examples:


Following the 2024 presidential election, 72.8% of Illinoisans lived in one of the state's 12 Solid Democratic counties, which voted for the Democratic presidential candidate in every election from 2016 to 2024, and 24.7% lived in one of 88 Solid Republican counties. Overall, Illinois was Solid Democratic, having voted for Hillary Clinton (D) in 2016, Joe Biden (D) in 2020, and Kamala Harris (D) in 2024. Use the table below to view the total number of each type of county in Illinois following the 2024 election as well as the overall percentage of the state population located in each county type.

Historical voting trends

Illinois presidential election results (1900-2024)

  • 17 Democratic wins
  • 15 Republican wins
Year 1900 1904 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 2004 2008 2012 2016 2020 2024
Winning Party R R R D R R R R D D D D D R R D D R R R R R R D D D D D D D D D

This section details the results of the five most recent U.S. Senate and gubernatorial elections held in the state.

U.S. Senate elections

See also: List of United States Senators from Illinois

The table below details the vote in the five most recent U.S. Senate races in Illinois.

U.S. Senate election results in Illinois
Race Winner Runner up
2022 56.8%Democratic Party 41.5%Republican Party
2020 54.9%Democratic Party 38.9%Republican Party
2016 54.9%Democratic Party 39.8%Republican Party
2014 53.5%Democratic Party 42.7%Republican Party
2010 48.0%Republican Party 46.4%Democratic Party
Average 53.6 41.9

Gubernatorial elections

See also: Governor of Illinois

The table below details the vote in the five most recent gubernatorial elections in Illinois.

Gubernatorial election results in Illinois
Race Winner Runner up
2022 54.9%Democratic Party 42.4%Republican Party
2018 54.5%Democratic Party 38.8%Republican Party
2014 50.3%Republican Party 46.4%Democratic Party
2010 46.8%Democratic Party 45.9%Republican Party
2006 49.8%Democratic Party 39.3%Republican Party
Average 51.3 42.6
See also: Party control of Illinois state government

Congressional delegation

The table below displays the partisan composition of Illinois' congressional delegation as of October 2025.

Congressional Partisan Breakdown from Illinois
Party U.S. Senate U.S. House Total
Democratic 2 14 16
Republican 0 3 3
Independent 0 0 0
Vacancies 0 0 0
Total 2 17 19

State executive

The table below displays the officeholders in Illinois' top four state executive offices as of October 2025.

State executive officials in Illinois, October 2025
Office Officeholder
Governor Democratic Party J.B. Pritzker
Lieutenant Governor Democratic Party Juliana Stratton
Secretary of State Democratic Party Alexi Giannoulias
Attorney General Democratic Party Kwame Raoul

State legislature

Illinois State Senate

Party As of October 2025
     Democratic Party 40
     Republican Party 19
     Other 0
     Vacancies 0
Total 59

Illinois House of Representatives

Party As of October 2025
     Democratic Party 78
     Republican Party 40
     Other 0
     Vacancies 0
Total 118

Trifecta control

Illinois Party Control: 1992-2025
Nineteen years of Democratic trifectas  •  Two years of Republican trifectas
Scroll left and right on the table below to view more years.

Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Governor R R R R R R R R R R R D D D D D D D D D D D D R R R R D D D D D D D
Senate D R R R R R R R R R R D D D D D D D D D D D D D D D D D D D D D D D
House D D D R R D D D D D D D D D D D D D D D D D D D D D D D D D D D D D

The table below details demographic data in Illinois and compares it to the broader United States as of 2023.

Demographic Data for Illinois
Illinois United States
Population 12,812,508 331,449,281
Land area (sq mi) 55,512 3,531,905
Race and ethnicity**
White 63.3% 63.4%
Black/African American 13.8% 12.4%
Asian 5.8% 5.8%
Native American 0.5% 0.9%
Pacific Islander 0.4% 0.4%
Other (single race) 7.3% 6.6%
Multiple 9.2% 10.7%
Hispanic/Latino 18.5% 19%
Education
High school graduation rate 90.3% 89.4%
College graduation rate 37.2% 35%
Income
Median household income $81,702 $78,538
Persons below poverty level 11.7% 12.4%
Source: population provided by U.S. Census Bureau, "Decennial Census" (2020). Other figures provided by U.S. Census Bureau, "American Community Survey" (5-year estimates 2018-2023).
**Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here.


See also

Illinois State Executive Elections News and Analysis
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Illinois State Executive Offices
Illinois State Legislature
Illinois Courts
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Illinois elections: 20262025202420232022202120202019201820172016
Party control of state government
State government trifectas
State of the state addresses
Partisan composition of governors

External links

Footnotes