The 2026 Cook County Board of Commissioners election will see all seventeen seats of the Cook County Board of Commissioners up for election to four-year terms. The election coinsides with other 2026 Cook County, Illinois, elections (including an election for the president of the Board of Commissioners) with the primary elections to be held on March 17, 2026, and the general election to be held on November 3, 2026.
The Republican Party is running candidates in only 5 of the 19 Board of Commissioners districts. Sean Morrison, the board's only Republican member, is not seeking re-election.
1st district
Incumbent 1st district commissioner Tara Stamps, a Democrat who was first appointed in 2023, is seeking re-election to a second full term.
Democratic primary Candidates Declared Tara Stamps, incumbent commissioner
Endorsements
Results
2nd district
The incumbent 2nd district commissioner Michael Scott Jr., a Democrat who was first appointed in 2024, is seeking re-election to a second full term.
Democratic primary Candidates Declared Michael Scott Jr., incumbent commissioner Andre Smith, activist, perennial candidate, and candidate for this district in 2022
Endorsements
Results
3rd district
Incumbent 3rd district commissioner Bill Lowry, a Democrat, is running for re-election. No candidate filed to run against him in the Democratic primary, while no candidate filed for the Republican primary, meaning he will be unopposed in the general election.
Democratic primary Candidates Declared Bill Lowry, incumbent commissioner
Endorsements
Results
4th district
The incumbent 4th district commissioner Stanley Moore, a Democrat, is seeking re-election to a fourth full term.
Democratic primary Candidates Declared Stanley Moore, incumbent commissioner
Endorsements
Results
5th district
The incumbent 5th district commissioner Kisha McCaskill, a Democrat who was first appointed in 2025, is seeking re-election to her first full term.
Democratic primary Candidates Declared Kiana Belcher, Dolton trustee Kisha McCaskill, incumbent commissioner
Endorsements
Results
Republican primary Candidates Declared Richard Nolan, former Riverdale trustee
Results
6th district
Incumbent 6th district commissioner Donna Miller, a Democrat, is retiring to run for Congress.
Democratic primary Candidates Declared Antoine Bass, realtor Veronica Bolling-Franklin, Elementary School District 159 school board member Sylvester Fulcher, senior administrator to the Illinois Department of Children and Family Services Patricia Joan Murphy, Worth Township supervisor, daughter of former Cook County commissioner Joan Patricia Murphy, and candidate for this district in 2018 Wesam Shahed, former prosecutor
Declined Donna Miller, incumbent commissioner (running for U.S. House)
Endorsements
Results
7th district
Incumbent 7th district commissioner Alma Anaya, a Democrat, is running for re-election to a third term.
Democratic primary Candidates Declared Alma Anaya, incumbent commissioner
Endorsements
Results
8th district
Incumbent 8th district commissioner Jessica Vasquez, a Democrat who was first appointed in 2025, is seeking re-election to her first full term.
Democratic primary Candidates Declared Nicholas Cade, U.S. Navy veteran Jessica Vasquez, incumbent commissioner
Endorsements
Results
9th district
Incumbent 9th district commissioner Maggie Trevor, a Democrat, is running for re-election to a third term.
Democratic primary Candidates Declared Maggie Trevor, incumbent commissioner
Endorsements
Results
Republican primary Candidates Declared Ammie Kessem, police officer and nominee for Illinois's 19th house district in 2018
Results
10th district
Incumbent 10th district commissioner Bridget Gainer, a Democrat, is seeking re-election to a fourth full term.
Democratic primary Candidates Declared Bridget Gainer, incumbent commissioner Drake Warren, engineer
Endorsements
Results
11th district
Incumbent 11th district commissioner John Daley, a Democrat, is running for re-election to an eighth full term.
Democratic primary Candidates Declared John Daley, incumbent commissioner
Endorsements
Results
12th district
Incumbent 12th district commissioner Bridget Degnen, a Democrat is retiring.
Democratic primary Candidates Declared Elizabeth Granato, bureau chief of the Cook County Bureau of Asset Management and wife of state senator Ram Villivalam Isaiah White, teacher Che-Che Wilson, director of civic engagement for Equality Illinois
Withdrawn Cat Sharp, chief of staff to Chicago alder Andre Vasquez
Declined Bridget Degnen, incumbent commissioner (endorsed Sharp)
Endorsements
Results
Republican primary Candidates Declared Alice Hu, small business owner and nominee for this district in 2022
Results
13th district
Incumbent 13th district commissioner Josina Morita, a Democrat, is running for re-election to a second term.
Democratic primary Candidates Declared Josina Morita, incumbent commissioner
Endorsements
Results
14th district
Incumbent 14th district commissioner Scott Britton, a Democrat, is running for re-election to a third term.
Democratic primary Candidates Declared Scott Britton, incumbent commissioner
Endorsements
Results
15th district
Incumbent 15th district commissioner Kevin Morrison, a Democrat, is retiring to run for Congress.
Democratic primary Candidates Declared Ted Mason, chief of staff to Cook County commissioner Kevin Morrison
Declined Kevin B. Morrison, incumbent commissioner (running for U.S. House, endorsed Mason)
Endorsements
Results
Republican primary Candidates Declared Gabriella Hoxie, vice chair of the North Cook Young Republicans Daniel Lee, small business owner
Endorsements
Results
16th district
Incumbent 16th district commissioner Frank Aguilar, a Democrat, is running for a second full term.
Democratic primary Candidates Declared Frank Aguilar, incumbent commissioner Letty Garcia, nurse, and candidate for this district in 2022 Miranda Hernandez, attorney and daughter of state representative and Democratic Party of Illinois chair Elizabeth Hernandez
Endorsements
Results
17th district
Incumbent 17th district commissioner Sean Morrison, a Republican, is retiring.
Republican primary Candidates Declared Liz Gorman, former commissioner (2002–2015) and candidate for this district in 2022
Declined Sean Morrison, incumbent commissioner
Results
Democratic primary Candidates Declared Elyse Hoffenberg, Lyons Township clerk
Endorsements
Results
References