← All States

Illinois flag Illinois (IL)

Eligibility

Age: 18 (may pre-register at 16)

ID Requirements

To Register: IL driver's license or state ID number, or last 4 of SSN. If neither, check the box on the form. For grace period and Election Day registration, two forms of ID required (at least one showing current address). Otherwise, must show ID when first voting in a federal election.

To Vote: ID required for same-day registration; not required for regular voters

Registration Methods

  • Online: Residents can submit a voter registration application electronically through the state's website, rather than by mail or in person.
  • Mail: Residents can register to vote by completing a paper registration form and submitting it by mail to the appropriate election office.
  • In Person: Residents can register to vote by visiting a designated government office, such as a county clerk's office or DMV, and completing a registration form on site.

Early Voting

Early voting begins 40 days before election day.

Mail-In / Absentee Voting

No-excuse mail-in voting available for all registered voters.

Felony Voting Rules

Rights restored upon release from incarceration. People on probation or parole may vote.

Documentation Needed

  • Two forms of ID for same-day registration (one must show current address)

Recent News

  • Voting in the 2026 Election ACLU of Illinois · Dec 1, 2025

    ACLU of Illinois launched a 2026 election voter information campaign outlining voter rights under the new Illinois Voting Rights Act.

  • Illinois Voting Rights Act of 2025 NAACP Legal Defense Fund · Jul 1, 2025

    The Illinois Voting Rights Act became effective July 1, 2025, establishing anti-discrimination protections for elections and requiring language assistance for limited-English-proficient populations.

View all news →

Sources

Last verified: Feb 24, 2026

Change Log

  • Recent News Added recent news items