Back to QuestionsU.S. citizen.
18 years old by Election Day (pre-register at 16 with parental notice; vote in primary at 17 if 18 by general).
Illinois resident for at least 30 days before the election.
Not in prison for a felony — voting rights are restored upon release.
Not declared mentally incompetent by a court.
Online: ova.elections.il.gov (requires IL DL/ID).
Paper: download from State Board of Elections, mail to county clerk or election authority.
In person: at the county clerk, election authority, library, DMV, or designated state agency.
Automatic Voter Registration at the Secretary of State (DMV) since 2018.
Standard online deadline: 16 days before Election Day.
Standard mail deadline: 28 days before (postmarked).
Grace Period Registration: 27 days before Election Day through Election Day itself at the election authority's office, early voting sites, and at the polling place on Election Day (10 ILCS 5/4-50, 5-50, 6-100).
Provide IL DL/ID or last 4 of SSN.
At the polls: no photo ID generally required. Grace Period registrants must show two forms of ID, one with current address.
May register at school address if that is where they live.
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How do I register to vote in Illinois?
Federal & State Law Editorial TeamLast reviewed: 2026-05-17
Illinois is one of the most accommodating states for late and election-day registration thanks to its Grace Period Registration system.
1. Eligibility (10 ILCS 5/3-1)
2. How to Register
3. Deadlines
4. ID Requirements
5. College Students
This is legal information, not legal advice.
When to Talk to a Lawyer
- Your registration was improperly denied or purged from the rolls
- You have a felony conviction with disputed restoration status
- You were challenged at the polls and your provisional ballot was rejected
Related Statutes & Laws
- 10 ILCS 5/3-1
- 10 ILCS 5/1A-16.5
- 10 ILCS 5/4-50
- 10 ILCS 5/5-50
- 10 ILCS 5/6-100
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.