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 General Municipal Election
(Local)

Missouri General Municipal Election

Apr 07, 2026

In-person absentee voting: Tue March 24, 2026 - Mon April 6, 2026 5:00 pm

Voter Registration Deadline

Online: Wed Mar 11, 2026 Mail: Postmarked by Wed Mar 11, 2026 In person: Wed Mar 11, 2026

Same-Day Voter Registration

Election Day: Not available In-Person Absentee Voting Period: Not available

Absentee Ballot Deadlines

Deadline to Request an Absentee Ballot: Online: Not available Mail: Received by 5:00 pm Wednesday, March 25, 2026 In Person: 5:00 pm Mon April 6, 2026
Deadline to Return Completed Absentee Ballot: By mail: Received by close of polls Tue April 7, 2026 In person: Received by close of polls Tue April 7, 2026

Our website includes election dates for federal elections, statewide elections, and mayoral elections in the top 100 cities by population. Please contact your local election official to learn about other local elections that may be happening in your area.

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?
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 ballot as soon as possible. The USPS recommends mailing your ballot at least 7 days before Election Day. If you want to ensure your ballot is postmarked the same day it is received by USPS, go to your local post office and ask for a manual postmark.

Return your Completed Ballot

Does my state allow absentee/mail ballot drop-off?
What is the deadline to drop off a 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.

Return your ballot as soon as possible. The USPS recommends mailing your ballot at least 7 days before Election Day. If you want to ensure your ballot is postmarked the same day it is received by USPS, go to your local post office and ask for a manual postmark.

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