Last updated: April 16, 2026

How to vote in Missouri

Get registered

Check your registration status Register to vote in Missouri Pre-register to vote (ages 13-17)

Get informed

Sign up for election reminders Contact your local election office

Plan your vote

Request your Missouri absentee or mail-in ballot Find out where to vote

Follow up

Track your Missouri ballot

On this page

Voting deadlines
Voter registration
Absentee and mail ballots
Voting in person
State and local election offices
External resources

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

By mail: Received by 13 days before Election Day
In person: 1 day before Election Day

Absentee ballot return deadlines

By mail: Received by Election Day
In person: Received by Election Day

Voting dates

Early voting starts: 14 days before Election Day
Early voting ends: 1 day before Election Day

Missouri voter registration guide

What are the voter registration deadlines?

How do I know if I'm registered to vote?

Who can register to vote in Missouri?

Can I register to vote online in Missouri?

Can I register to vote via mail in Missouri?

Can I register to vote in person in Missouri?

Can I register to vote on Election Day?

I've moved. Do I have to update my registration?

I'm not 18 yet. When can I submit my registration in Missouri?

I have a felony conviction. Can I register to vote in Missouri?

Missouri absentee and mail ballot guide

What are the deadlines for requesting and returning mail-in ballots?

Who can vote absentee in Missouri?

Can I request my ballot online in Missouri?

Can I request my ballot via mail in Missouri?

Can I request my ballot in person in Missouri?

What if I always want to vote by mail? Do I have to request a ballot every time?

What ID is required to vote by mail in Missouri?

I had an emergency come up after the Missouri ballot request deadline. Is there any way I can still get a ballot?

I have a ballot. How do I return it?

How can I track my mail-in ballot?

Can my mail-in ballot be rejected? And if so, what can I do?

I am in the military or overseas. How do I vote?

Missouri voting guide

Can I vote early?

Where do I vote?

What type of ID do I need to show when I vote?

Can I use my student ID as identification when voting?

I cast a provisional ballot. How do I know if it was counted?

Your election officials in Missouri

How do I reach my local election office?

Who is in charge of Missouri elections?

External resources

Where can I find voting resources for Missouri?

What are the sources for information on this page?

How to vote

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