Learn how to vote in the Missouri primary

Missouri’s statewide primary election is scheduled for Aug. 2, 2022. Here is what you need to know about voting in the primary: 

  • Primary participation requirements: In Missouri, primary elections are open, meaning that a voter can participate in the partisan primary of his or her choice. 
  • Voter registration: Voters in Missouri can register in person, by mail, or online. The deadline is July 6. To register or update an existing registration, click here. To check your registration status, click here
  • Voting in person: Polls in Missouri are generally open from 6 a.m. to 7 p.m. Voters are required to present identification at the polls. Acceptable forms of identification include: 
    • Identification issued by the state of Missouri, an agency of the state, or a local election authority of the state;
    • Identification issued by the United States government or agency thereof;
    • Identification issued by an institution of higher education, including a university, college, vocational and technical school, located within the state of Missouri; or
    • A copy of a current utility bill, bank statement, paycheck, government check or other government document that contains the name and address of the voter.
  • Absentee/mail-in voting: In Missouri, eligible voters can cast absentee ballots. The deadline for requesting an absentee ballot is July 20 (the request must be received by this date). The completed ballot must be received by election officials by Aug. 2. A voter can cast an absentee ballot for the following reasons: 
    • Absence on Election Day from the jurisdiction of the election authority in which such voter is registered to vote;
    • Incapacity or confinement due to illness or physical disability, including a person who is primarily responsible for the physical care of a person who is incapacitated or confined due to illness or disability;
    • Religious belief or practice;
    • Employment as an election authority, as a member of an election authority, or by an election authority at a location other than such voter’s polling place;
    • Incarceration, provided all qualifications for voting are retained.
    • Certified participation in the address confidentiality program because of safety concerns.