Updated October 27, 2025. See election results and upcoming election dates and information, plus links to register to vote and check your status.
Upcoming election dates from the Cook County Clerk’s Office
- March 17, 2026: Gubernatorial Primary Election
- November 3, 2026: Gubernatorial Election
Register to vote
Register online, in person, or through the mail. Get started on the Cook County Clerk’s Office Voter Registration page.
To vote in Illinois
- You must be a United States Citizen.
- You must be at least 17 years old on or before the date of the Primary Election and turn 18 on or before the date of the General or Consolidated Election (16-year-olds may preregister to vote).
- You must live in your election precinct at least 30 days prior to Election Day.
- You must not be serving a sentence of confinement in any penal institution as a result of a conviction.
- You may not claim the right to vote anywhere else.
Source: Illinois Online Voter Application