Voting in Missouri

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Voters can only vote absentee in Missouri with an approved excuse.

Missouri offers in-person absentee voting. Voters can only vote early with an approved excuse. Absentee-in-person voting begins 6 weeks before Election Day and ends at 5pm the day before the election.

Missouri has open primaries. Any registered voter can participate in primary elections, regardless of political party. 17-year-olds cannot vote in the primary election even if they will be 18 by the corresponding general election.

ID is required to vote in Missouri. Valid forms of ID include:

Option 1:
- Nonexpired Missouri driver license;
- Nonexpired or nonexpiring Missouri non-driver license;
- Nonexpired document which contains the voter's name and photograph and is issued by the United States or the state of Missouri; or
- Nonexpired or nonexpiring military ID card which contains a photograph

Option 2:
- 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

If you do not have an approved form of ID, you can send a form to the Secretary of State’s office and they will assist you in obtaining one. If you go to your polling place without an approved form of ID, you may still cast a provisional ballot. Your provisional ballot will be counted if you return to the polling place and show an Option 1 ID or if the signature on the provisional ballot envelope matches the signature on your voter registration record.