Missouri - HeadCount

Voting In
Missouri

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How & Where to Vote

Find out where to vote, how to vote, how to vote early, and how to vote by mail.

Register to Vote

Register to vote in Missouri, or learn more about voter ID & rights.

Election Details

Visit the Missouri Election Website or call (573) 751-2301 to learn more about your states voting details.

Read Our Voting FAQ

Don’t miss your next election!

St. Louis and other municipalities throughout Missouri will hold municipal elections on April 6th.

Your voter registration application must hand delivered, submitted online, or postmarked by March 10th. You can vote in person with an absentee ballot at your county elections authority, on Election Day, or vote by mail in Missouri.

Your polling place hours are 6 a.m. to 7 p.m.

Presidential Primaries

No party affiliation is required at registration to participate in a primary. See Missouri Republican Party or Democratic Party sites for more details.

Statewide Primaries

In 2021, St. Louis and other municipalities will hold primary elections on March 2nd for local races - such as Mayor, Board of Alderman and so forth.

In 2022, some congressional seats, state offices and constitutional amendments may be included on the ballot.


Find Your Representatives Explore Candidate Guides

Early Voting + Absentee Voting



Early Voting Dates: March 3rd to April 5th


You must have a qualifying excuse to vote early in person or by mail in Missouri.


You can vote in person at your local election authority from March 3rd to April 5th at 5:00 p.m. before the election, using an absentee ballot. Visit your local election authority’s website for the start date.




To vote by mail, first you’ll need to apply for a ballot no later than March 21st at 5:00 pm. Then, when you complete your absentee ballot, it must be notarized and returned so that it is received by Election Day. If you have not voted in-person at your current address, you’ll need to submit a copy of your photo I.D. with address and signature with your application.

Absentee ballot requests by-mail open 90 days prior to any election. Applicants must apply for each election.


Request Your BallotMore Mail-in & Early Voting Info

Voter ID + Access for Missouri

Do Voters Need ID?

  • Yes, voters need an ID
  • Multiple forms of ID accepted
  • First time voters need ID
  • Student IDs accepted

More Chances to Register

  • You can register to vote during Early Voting.

    • Pre-registration

    • If you are 17 and will be 18 on or before the next election, you may register to vote.
    • The pre-registration age is 17 and 6 months
    Youth participation is affected by changing state legislation or party rules. If we are not up to date please let us know.

    Have you been convicted of a felony?

    See what the registration laws are in your state below.

    Felon Re-Enfranchisement Laws

    Voting and attending college?

    Get information on how to vote from Campus Vote Project below.

    College Student Voting Info