The Ballot Brief
Cook County, Illinois

Cook County Commissioner District 9

IllinoisCook County › Cook County Commissioner District 9

2 candidates are tracked for Cook County Commissioner District 9 on the November 3, 2026 ballot: Maggie Trevor and Jon Luers. Candidate information follows official Cook County election filings; verify with the official election office linked below.

On Cook County's November 3, 2026 general election ballot, per the Cook County Clerk's official candidate filing list. This is a single-member seat; only voters in the district vote.

Maggie Trevor

Democratic · Incumbent

Maggie Trevor is the sitting District 9 member of the Cook County Board of Commissioners, per the board's official member roster. She is the Democratic nominee on the November 3, 2026 ballot.

Jon Luers

Republican

Jon Luers is a qualified Republican candidate for Cook County Commissioner District 9 on Cook County's November 3, 2026 ballot, per the Cook County Clerk's official candidate filing list.

Verify this race
Candidate roster from official Cook County Supervisor of Elections filings, last verified 2026-09-01. Bios and priorities carry their attribution inline.
Cross-check with the official Illinois election office, or see the full Cook County sample ballot and your exact ballot by address.