Missouri Election Dates and Deadlines

Welcome to the Missouri Election Dates and Deadlines listing from U.S. Vote Foundation.

Here you can find out when Missouri elections will be held at the local, state and federal election level. There are many different deadlines associated with Missouri elections, such as voter registration deadlines, absentee ballot request and ballot return deadlines, date ranges for early voting, and in-person voting options. No matter the type of election, or whether you are voting at home or voting from abroad, this service will provide you with comprehensive election dates and deadlines for your voting state of Missouri.

U.S. Domestic Voters
Overseas & Military Voters

Missouri Federal and State Elections

Tue Aug 4, 2026 - Missouri Congressional Primary Election

Voter Registration Deadline

Submitted by
Wed Jul 8, 2026 5:00PM
In Person Request by
Fri Jul 31, 2026 5:00PM (For Discharged Military, Returned from deployment or activation or Overseas citizen returning from employment with proof)

Absentee Ballot Request Deadline

Email or Fax by
Wed Jul 22, 2026 5:00PM
Post Received by
Wed Jul 22, 2026 5:00PM
In-Person Request by
Mon Aug 3, 2026 5:00PM

Absentee Ballot Return Deadline

Submitted by
Tue Aug 4, 2026 7:00PM

Early Voting Available

In-person Absentee Voting
In-Person absentee voting without excuse

From Tue Jul 21, 2026 to Mon Aug 3, 2026
In-person Absentee Voting
In-Person absentee voting with excuse

From Tue Jun 23, 2026 to Mon Aug 3, 2026

Missouri Local Elections

There are currently no upcoming local elections identified for this state.

Missouri Federal and State Elections

Tue Aug 4, 2026 - Missouri Congressional Primary Election

Voter Registration Deadline

Received by
All Overseas/Military

Tue Jul 7, 2026 5:00PM
In Person Request by
Fri Jul 31, 2026 (For Discharged Military, Returned from deployment or activation or Overseas citizen returning from employment with proof)

Absentee Ballot Request Deadline

Received by
Fri Jul 31, 2026 5:00PM

Absentee Ballot Return Deadline

Submitted by
Fri Jul 31, 2026 12:00PM

Missouri Local Elections

There are currently no upcoming local elections identified for this state.

What's On My Ballot

Go to the Sample Ballot Lookup for candidate names and to learn of any ballot measures and proposed state constitutional amendments on your ballot.

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