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Missouri primary election

August 6, 2024
  • Election type: primary
  • Region: Missouri
  • Description: Missouri statewide primary

Visit Ballotpedia.org(Opens in a new window) to learn what you're voting on this election.

Key deadlines in Missouri

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

Absentee ballot return deadlines

Voting dates

Questions about voting in Missouri