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Register to vote in Missouri

How to register to vote in Missouri

Start your online registration on Missouri’s election website.

You can also register to vote by mail or in person on Missouri’s election website.

Voter registration deadlines in Missouri

  • Online registration deadline: 27 days before Election Day
  • Register by mail deadline: Must be postmarked 27 days before Election Day
  • In person registration deadline: 27 days before Election Day

How to check your voter registration

You can confirm your voter registration status on Missouri’s election website.

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