Vote Clock

Illinois county election authorities: all 108 election authorities

Find your county below for its election authority's address and phone, as the Illinois State Board of Elections, Election Authorities lists them.

Illinois voting dates

DateWhat
Thu, Sep 24Mail ballots start going out
Election authorities can begin mailing ballots to voters who applied to vote by mail. source
Thu, Sep 24Early voting opens
Sept 24 is the first day election offices can offer early voting. Some start later; Chicago began Oct 1. Hours vary by election office. source
Tue, Oct 6Last day to register by mail or at a registration site
Regular registration closes Oct 6. After that, register online through Oct 18, or register and vote in person during early voting or on Election Day. source
Wed, Oct 7Same-day registration opens
From October 7 through Election Day, you can register and vote at the same time at your election authority’s office or other locations it chooses. source
Sun, Oct 18Register online
Online registration through the State Board of Elections closes Oct 18. source
Mon, Oct 19Early voting expands
Permanent early voting sites open, including on weekends and holidays. Check your election authority for locations and hours. source
Thu, Oct 29Apply for a vote-by-mail ballot
By mail or online, your election authority must receive your application by Oct 29. You can still apply in person at your election authority's office through Nov 2. source
Mon, Nov 2Early voting ends
Last day of early voting. Hours vary by election office, so check yours before you go. source
Tue, Nov 3, 7:00 PMElection Day: polls open 6:00 a.m. to 7:00 p.m.
Look up your polling place by address with the State Board of Elections, or ask your county clerk or election commission. source
Tue, Nov 3, 7:00 PMRegister and vote the same day
Grace-period registration runs Oct 7–Nov 3 at your election authority and designated sites; you must vote when you register. Polls close at 7 p.m. source
Tue, Nov 3Return your mail ballot
It must be postmarked on or before Election Day and arrive by Nov 17 to be counted. Postmarks now show the day mail is processed, so mail it early or use an official drop box by 7 p.m. on Nov 3. source

More for Illinois voters

Office details are from the Illinois State Board of Elections, Election Authorities (checked October 14, 2026). Dates are Illinois's, each linked to its source. Call the office before you go.