IL
Same-Day Registration
Automatic Registration
Illinois Registration Deadlines
Illinois offers same-day voter registration. You can register and vote on Election Day.
Online
28 days before election
28 days before election
Postmarked by deadline
In-Person
Election Day
Same-day registration available
Upcoming Elections in Illinois
2026 Primary Elections
99 days
Tuesday, June 2, 2026
Online: May 5
Mail: May 5
2026 Midterm Elections
253 days
Tuesday, November 3, 2026
Online: Oct 6
Mail: Oct 6
Official Information
Illinois Voter Registration
Last updated: January 15, 2025
Related Resources
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Visit your state's official election website to register to vote or check your registration status.
Register NowIllinois Features
Same-day registration available
Automatic voter registration
Online registration available