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Last updated on March 10, 2020 - as always, it's best to double check with your state for any recent changes to election rules in your state: Missouri Election Website
Missouri voter registration
- In Person: 27 days before Election Day.
- By Mail: Postmarked 27 days before Election Day.
- Online: 27 days before Election Day.
N/A
- To vote in Missouri you must:
- be a citizen of the United States
- be a resident of Missouri
- be at least 17‑1/2 years of age (you must be 18 to vote)
- not be on probation or parole after conviction of a felony, until finally discharged from such probation or parole
- not be convicted of a felony or misdemeanor connected with the right of suffrage
- not be adjudged incapacitated by any court of law
- not be confined under a sentence of imprisonment
- Use our Register to Vote Tool to fill out the National Voter Registration Form.
- Sign and date your form. This is very important!
- Mail or hand-deliver your completed form to the address we provide.
- Make sure you register before the voter registration deadline.
- If you have been convicted of a felony and have questions about whether you can register to vote, visit Restore Your Vote to determine your eligibility.
Missouri absentee ballots
- In Person: 1 day before Election Day
- By Mail: 13 days before Election Day
- Online:
- Election Day.
- You can vote by absentee ballot in Missouri if:
- you will be absent from your voting jurisdiction on Election Day
- you are incapacitated or confined due to illness or physical disability, or caring for an incapacitated person
- you are restricted by religious belief or practice
- you are employed by Election Day authority
- you are incarcerated, but have retained all your voting qualifications
- Use our Absentee Ballot Tool to prepare your application.
- Sign and date the form. This is very important!
- Return your completed application to your Local Election Office as soon as possible. We'll provide the mailing address for you.
- All Local Election Offices will accept mailed or hand-delivered forms. If it's close to the deadline, call and see if your Local Election Office will let you fax or email the application.
- Make sure your application is received by the deadline. Your application must actually arrive by this time -- simply being postmarked by the deadline is insufficient.
- Please contact your Local Election Office if you have any further questions about the exact process.
- Once you receive the ballot, carefully read and follow the instructions.
- Sign and date where indicated.
- Have a witness or notary sign where indicated.
- Mail your voted ballot back to the address indicated on the return envelope.
- Your voted ballot must arrive by the deadline or it will not be counted.
Missouri early voting
42 days before Election Day.
This is technically not "early voting," but you can vote in person using an absentee ballot as long as you have a valid excuse for not voting on Election Day.
1 day before Election Day.
This is technically not "early voting," but you can vote in person using an absentee ballot as long as you have a valid excuse for not voting on Election Day.
Missouri voter ID
If you are voting in person in Missouri, you must present one of the following forms of ID at the time you vote:
- Non-expired Missouri driver's license
- Non-expired Missouri nondriver's license
- Other photo ID with expiration date issued by the United States or the state of Missouri;
- Military ID
- Voter registration card
- Paycheck or government check
- Utility bill
- Bank Statement
- Missouri Student ID
- Other government ID or document showing your address
If you do not have an acceptable form of ID, you may cast a provisional ballot, which will be counted if you come back to the poll and show a photo ID or if the signature on your ballot matches the signature you have on file in the voter registry.
If you've voted in Missouri before, you don't need to provide ID to vote by mail.
If you registered by mail and this will be your first time voting and you did not include a form of ID when you registered, include a copy of one of the following forms of ID with your ballot request form:
- Photo ID issued by the federal government, Missouri, another state, or an institution of higher education in Missouri
- Current utility bill, bank statement, paycheck, or government check
- Any government document that shows your name and address
Offsite links
- State Election Website
- Local Election Office: This is the government office responsible for running elections in your region. Theses are the best people to contact if you have any questions at all about voting in your state.
- Find your polling place
- Learn more about absentee voting
- Learn more about voter ID