How to Vote in Missouri

Find out everything you need to know about how to vote in Missouri.

Upcoming Elections and Deadlines in Missouri

Missouri Republican Presidential Caucus

Missouri Republican Presidential Caucus

Mar 02, 2024

Absentee Ballot Deadlines

Deadline to Request an Absentee Ballot:
Online: Not available

Missouri Democratic Presidential Primary Election

Missouri Democratic Presidential Primary Election

Mar 23, 2024

Voter Registration Deadline

Online: Sun Feb 25, 2024
Mail: Received by Sun Feb 25, 2024
In person: Sun Feb 25, 2024

Same-Day Voter Registration

Election Day: Not Available
Early Voting Period: Not available

Absentee Ballot Deadlines

Deadline to Request an Absentee Ballot:
Online: Not available
Mail: Received by Tuesday, March 12, 2024
In Person: Tue March 12, 2024
Deadline to Return Completed Absentee Ballot:
By mail: Received by Sat March 23, 2024
In person: Received by Sat March 23, 2024

Missouri Primary Election

Missouri Primary Election

Aug 06, 2024

In-person absentee voting: Tue July 23, 2024 - Mon August 5, 2024

Voter Registration Deadline

Online: Wed Jul 10, 2024
Mail: Received by Wed Jul 10, 2024
In person: Wed Jul 10, 2024

Same-Day Voter Registration

Election Day: Not Available
Early Voting Period: Not available

Absentee Ballot Deadlines

Deadline to Request an Absentee Ballot:
Online: Not available
Mail: Received by Wednesday, July 24, 2024
In Person: Mon August 5, 2024
Deadline to Return Completed Absentee Ballot:
By mail: Received by Tue August 6, 2024
In person: Received by Tue August 6, 2024

Register to Vote

Who can register to vote in Missouri
Pre-registration
Can I register to vote on Election Day?
Voter registration deadlines
Registering to vote as a student
Registering for people with disabilities

Vote Early In-Person

When can I vote early?
Who can vote early?
Where can I go to vote early?
What do I need to bring to vote early?
Can I register to vote during Early Voting?
Voting early as a student
Voting early for people with disabilities

Request a Mail-In/Absentee Ballot

Can everyone vote by mail/absentee?
How do I request a ballot?
What is the deadline to request a ballot?
Requesting an absentee ballot in emergencies or for people with disabilities

Return your Completed Ballot

Does my state allow absentee/mail ballot drop-off?
What is the deadline to drop off a voted ballot?
Where can I drop off my voted ballot?
Who can drop off my completed ballot?
Certain designated individuals are allowed to drop off a ballot for someone else in Missouri. For more information on who can return an absentee ballot,
contact your local election official.

Vote In-Person on Election Day

Can I register to vote on Election Day?
What do I need to bring to vote on Election Day?
Voting as a Student
Voting for People with Disabilities

Additional Missouri Resources

Your State Election Official
Overseas & Military Voting
Additional Information