IL · sourced voting rules
How elections work
in Illinois
Rules that shape registration and voting, the officials responsible for administering them, and the gaps that still require an election-specific source.
Make your voting plan
IllinoisDates for November 3
Download calendarPartial coverage: only the dated entries below have been checked. Confirm other deadlines and exceptions with your election office.
Illinois · Sourced election dates
Register online
PassedLast day to register on the State Board website; grace-period options remain.
Official sourceEarly voting ends
PassedEarly in-person voting continues through this date; check local hours.
Official sourceRequest mail ballot
PassedMailed-ballot requests must be received by the election authority.
Official source
Checked 2026-10-16. Confirm local details and exceptions with your election office.
Background registration and voting policy
State policy snapshot · not legal advice
Registration, primary, and voting methods
These values preserve the wording in the March 2026 EAC/NCSL profile. Asterisks and qualifications are meaningful; confirm the current election notice before acting.
Not established by this source
The current EAC/NCSL comparison profile does not provide a complete statewide RCV rule field. Election.org does not infer one.
Not established by this source
Eligibility, filing, and counting rules can be election-specific. Use the official state election website.
Read the election notice
The primary-system field above is published. A complete contest-by-contest threshold rule is not.
Address and election required
A statewide rules profile cannot establish a voter's complete local specimen ballot.
Source: U.S. Election Assistance Commission / NCSL State Election Profile for Illinois ↗ · published March 2026 · verified 2026-08-24. Confirm current election details ↗