Register to Vote
Eligible Suburban Cook County residents can register to vote online, register by mail, in-person at locations including Secretary of State Drivers’ Services Facilities and Cook County Clerk locations, as well as on voting day at your home precinct. You may also be registered to vote by authorized Deputy Clerks.
Learn about Voting Laws and Legislation
The LexisNexis Foundation maintains the U.S. Voting Laws and Legislation Center, a free-to-use, searchable database of U.S. voting laws, legislative developments, and news.
Learn Who and What's on the Ballot
- Check the Cook County Clerk’s Office for a list of candidates in the upcoming election.
- Learn who is on your ballot with the League of Women Voters Illinois Voter's Guide.
- Ballot Ready: Enter your address to learn more about candidates
- Visit voteforjudges.org to learn ratings of judicial candidates for election and retention to the Cook County Circuit Court from area bar associations and advocacy groups.
Find Your Polling Place
Use the Cook County Clerk’s Your Voter Information tool to locate your polling place.
Upcoming Elections
March 17, 2026 Primary Election
November 3, 2026 General Election
Important 2026 Dates
- February 17 - Last day for regular (paper) voter registration.
- February 18 - First day of grace period for in-person voter registration and voting at election authority and early voting sites; continues through Election Day.
- March 1 - Last day for online voter registration. Grace period registration is still available at election authority and early voting sites.
- March 2 - First day of early voting
- March 12 - Last day for election authority to receive vote by mail applications.
- March 16 - Last day of early voting
- March 17 - Last day mail ballots can be postmarked
- March 17 - Election Day