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How to vote in Missouri
Key deadlines in Missouri
See this document for specific deadlines for the November 5, 2024 election.
Voter registration deadlines
- Online: 27 days before Election Day
- By mail: Postmarked by 27 days before Election Day
- In person: 27 days before Election Day
Absentee ballot request deadlines
- By mail: Received by 13 days before Election Day
- In person: 1 day before Election Day
Absentee ballot return deadlines
- By mail: Received by Election Day
- In person: Received by Election Day
Voting dates
- Early voting starts: 14 days before Election Day
- Early voting ends: 1 day before Election Day