Registration
Same-day registration is available
Available on Election Day. Check the state site for locations and requirements.
Rule source ↗Your 2026 voting guide November 3
Get ready to vote.
Find your deadline, mail-voting rules, and what to bring to the polls.
Choose where you vote
Select the state where you're registered.
Your state guide
Voting in Illinois.
Online registration closes
Passedcheck your options
Online registration closes October 18 at 11:59 p.m. Grace-period registration and voting remain available in person through Election Day at designated sites.
Voting by mail
No excuse needed
Mail voting is available without stating an excuse. Check Illinois's site to see whether a ballot is sent automatically or must be requested, and when to return it.
Rule source ↗
At the polls
Most voters do not show ID
First-time voters who registered by mail may still be asked for ID under federal law.
Rule source ↗These are statewide rules. Local voting details can vary, so confirm your polling place and plan with the official Illinois election office.