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Chicago 2027 election calendar: filing, early voting, Election Day and the runoff
Every date for Chicago's February 23, 2027 municipal election and the April 6, 2027 runoff, from the Chicago Board of Election Commissioners' 2027 calendar (also on the Board's election calendars page). "To be confirmed" means the Board hasn't published that date yet.
| Date | What happens | Source |
|---|---|---|
| Jul 28, 2026 | Candidates may start circulating nominating petitions | Chicago Board of Elections |
| Oct 19, 2026 to Oct 26, 2026 | Candidate filing period: nominating papers are filed with the Board. Alderperson candidates need at least 473 valid signatures from voters in their ward. | Chicago Board of Elections |
| Oct 27, 2026 to Nov 2, 2026 | Objection period: voters may challenge a candidate's nominating papers | Chicago Board of Elections |
| Dec 17, 2026 | Last day to withdraw; the Board certifies the candidates on the ballot | Chicago Board of Elections |
| Dec 24, 2026 | Last day to file as a write-in candidate. Later (Feb. 16, 2027) if an objection is sustained after this date. | Chicago Board of Elections |
| To be confirmed | Early voting locations and hours. The Board publishes the schedule between Jan. 3 and Jan. 9, 2027. | Chicago Board of Elections |
| Jan 14, 2027 to Feb 22, 2027 | Early voting: earliest start through the day before the election. Jan. 14 is the earliest date the law allows; the Board's schedule sets the actual days. | Chicago Board of Elections |
| Jan 26, 2027 | Last day of regular voter registration. Grace-period registration and voting continue in person through Election Day. | Chicago Board of Elections |
| Feb 18, 2027 | Last day to apply for a mail ballot by mail or online | Chicago Board of Elections |
| Feb 23, 2027 | Election Day (polls open 6 a.m. to 7 p.m.) | Chicago Board of Elections |
| Feb 25, 2027 to Apr 5, 2027 | Runoff early voting: earliest start through the day before the runoff | Chicago Board of Elections |
| Mar 16, 2027 | Last day for the Board to proclaim the February results | Chicago Board of Elections |
| Apr 6, 2027 | Runoff, in wards where no candidate won more than half the vote | Chicago Board of Elections |
| May 17, 2027 | New Council term begins at noon | Chicago Board of Elections |
Polls are open 6 a.m. to 7 p.m. on Election Day. Registration, mail ballots and polling places: chicagoelections.gov.
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How we list candidates, and our corrections policy · All 2027 races · Election calendar · Objections