2026 Cook County, Illinois, elections

2026 Cook County, Illinois, elections

November 3, 2026

The Cook County, Illinois, general elections will be held on November 3, 2026. Primaries will be held on March 17, 2026.

Elections will be held for assessor, clerk, sheriff, treasurer, president of the Cook County Board of Commissioners, all 17 seats of the Cook County Board of Commissioners, two seats of the Cook County Board of Review, four seats on the Water Reclamation District Board, and judgeships on the Circuit Court of Cook County.

Assessor

2026Cook County Assessor election
November 3, 2026
 
Nominee Pat Hynes Nico Tsatsoulis
Party Democratic Libertarian

Assessor before election

Fritz Kaegi
Democratic

Elected Assessor

TBD

Second-term incumbent Fritz Kaegi, a Democrat, was defeated in his party's primary.

Democratic primary

Candidates

Declared
Withdrawn

Endorsements

Pat Hynes
U.S. representatives
Statewide officials
State legislators
Local officials
Labor unions
Organizations
Fritz Kaegi
U.S. senators
U.S. representatives
State legislators
Local officials
Labor unions
Organizations
Newspapers
Declined to endorse
Organizations

Polling

Poll source Date(s)
administered
Sample
size[a]
Margin
of error
Fritz
Kaegi
Pat
Hynes
Other Undecided
Impact Research (D)[35][A] October 31 – November 5, 2025 600 (LV) ± 4.0% 31% 24% 45%
Change Research[36][B] June 24 – July 2, 2025 1,052 (LV) ± 3.1% 19% 6% 15%[b] 60%

Results

2026 Cook County Assessor Democratic primary
Party Candidate Votes %
Democratic Pat Hynes
Democratic Fritz Kaegi (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Libertarian primary

Nico Tsatsoulis is the only candidate in the Libertarian primary. He also ran as the party's nominee in 2022, receiving over 200,000 votes in the general election.

Clerk

2026 Cook County Clerk election
November 3, 2026
 
Nominee Monica Gordon Hontas Farmer
Party Democratic Libertarian

Clerk before election

Monica Gordon
Democratic

Elected Clerk

TBD

Democratic primary

Candidates

Declared
  • Monica Gordon, incumbent clerk[37]

Endorsements

Results

2026 Cook County Clerk Democratic primary
Party Candidate Votes %
Democratic Monica Gordon (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Libertarian primary

Hontas Farmer ran as a write-in in the Libertarian Party primary.[41]

Sheriff

2026 Cook County Sheriff election
November 3, 2026
 
Nominee Tom Dart
Party Democratic

Sheriff before election

Tom Dart
Democratic

Elected Sheriff

TBD

Democratic primary

Candidates

Declared

Endorsements

Results

2026 Cook County Sheriff Democratic primary
Party Candidate Votes %
Democratic Tom Dart (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Treasurer

Democratic primary

Candidates

Declared

Endorsements

Results

2026 Cook County Treasurer Democratic primary
Party Candidate Votes %
Democratic Maria Pappas (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

President of the Cook County Board of Commissioners

2026 President of the Cook County Board of Commissioners election
November 3, 2026
 
Nominee Toni Preckwinkle TBD Michael Murphy
Party Democratic Republican Libertarian

President before election

Toni Preckwinkle
Democratic

Elected President

TBD

Incumbent Toni Preckwinkle, a Democrat, was nominated by her party for a fifth term as county board president.[42]

Democratic primary

Candidates

Declared
Declined

Endorsements

Toni Preckwinkle
U.S. senators
U.S. representatives
Statewide officials
Labor unions
Organizations
Newspapers
Brendan Reilly
State legislators
Local officials
Individuals
Labor unions
Newspapers
Declined to endorse

Polling

Poll source Date(s)
administered
Sample
size[a]
Margin
of error
Toni
Preckwinkle
Brendan
Reilly
Undecided
M3 Strategies[62] March 14–15, 2026 465 (LV) ± 4.5% 55% 35% 10%
Tulchin Research[63][C] October 27 – November 2, 2025 500 (LV) ± 4.4% 53% 22% 25%
Hypothetical polling
Toni Preckwinkle vs. "Someone Else"
Poll source Date(s)
administered
Sample
size[a]
Margin
of error
Toni
Preckwinkle
Someone
Else
Undecided
Tulchin Research[64][C] February 20–25, 2025 500 (LV) ± 4.4% 58% 29% 13%

Results

2026 President of the Cook County Board of Commissioners Democratic primary
Party Candidate Votes %
Democratic Toni Preckwinkle (incumbent)
Democratic Brendan Reilly
Total votes 100.0

Republican primary

In the Republican primary for county board president, one candidate filed for the ballot, but was removed from the ballot before the primary.[42] Max Rice and Eric Wallace ran as write-in candidates.[65][66]

Libertarian primary

Michael Murphy and Justin Tucker contested the Libertarian primary.[65] Michael Murphy, a Chicago resident, prevailed.[42]

Cook County Board of Commissioners

The 2026 Cook County Board of Commissioners election will see all 17 seats of the Cook County Board of Commissioners up for election to four-year terms.

Cook County Board of Review

In the 2026 Cook County Board of Review election, two seats, both of which are Democratic-held, are up for reelection.

1st district

Democratic primary

Candidates
Declared
Endorsements
George Cardenas
State legislators
Local officials
Labor unions
Organizations
Juanita Irizarry
U.S. representatives
State legislators
Local officials
Labor unions
Organizations
Newspapers
Declined to endorse
Results
2026 Cook County Board of Review 1st district Democratic primary
Party Candidate Votes %
Democratic George Cardenas (incumbent)
Democratic Juanita Irizarry
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

2nd district

Democratic primary

Candidates
Declared
Endorsements
Liz Nicholson
U.S. representatives
Statewide officials
State legislators
Local officials
Labor unions
Organizations
Declined to endorse
Labor unions
Organizations
Newspapers
Results
2026 Cook County Board of Review 2nd district Democratic primary
Party Candidate Votes %
Democratic Liz Nicholson
Democratic Samantha Steele (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Water Reclamation District Board

In the 2026 Metropolitan Water Reclamation District of Greater Chicago election, three six-year term seats were up for a regularly scheduled election and an additional seat was upon for election to a partial term in a special election.

Regular election

Three seats with six-year terms were up for election in the regular election, with voters able to vote for up to three candidates. In both the primaries and general election, the top-three finishers were the winners.

Democratic primary

Candidates
Declared
Endorsements
Precious Brady-Davis
Statewide officials
Labor unions
Organizations
Newspapers
Sarah Bury
Organizations
Beth McElroy Kirkwood
Statewide officials
Labor unions
Organizations
Newspapers
Eira Corral Sepúlveda
Statewide officials
Labor unions
Organizations
Newspapers
Results
2026 Metropolitan Water Reclamation District of Greater Chicago regular election Democratic primary
Party Candidate Votes %
Democratic Precious Brady-Davis (incumbent)
Democratic Sarah Bury
Democratic Beth McElroy Kirkwood (incumbent)
Democratic Eira Corral Sepúlveda (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Special election

A seat with a partial unexpired term was up for election.

Democratic primary

Candidates
Declared
Endorsements
Cam Davis
Labor unions
Organizations
Newspapers
Declined to endorse
Results
2026 Metropolitan Water Reclamation District of Greater Chicago special election Democratic primary
Party Candidate Votes %
Democratic Cam Davis (incumbent)
Total votes 100.0

Republican primary

No candidate ran in the Republican primary.

Circuit Court of Cook County

Judicial elections to the Circuit Court of Cook County will also be held.

Other elections

Coinciding with the primaries, elections will be held to elect both the Democratic and Republican committeepeople for the suburban townships.

See also

Notes

  1. ^ a b c Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  2. ^ "Would not vote" with 6%; Steele with 5%; Pointer and Burruss with 2%

Partisan clients

  1. ^ This poll was sponsored by Hynes's campiagn
  2. ^ This poll was sponsored by Kaegi's campiagn
  3. ^ a b This poll was sponsored by Preckwinkle's campiagn

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