Registration Deadlines and Election Dates
Voter Registration Deadline: Postmarked or received by the 4th Wednesday before Election Day.
2024 Election Information
Republican Party Presidential Caucus: March 2
Democratic Party Presidential Primary: March 23
Registration Deadline: February 21
Mail-in Ballot Request Deadline: March 12
Non-Presidential Primary: August 6
Registration Deadline: July 10
Mail-in Ballot Application Deadline: July 24
General Election: November 5
Registration Deadline: October 9
Mail-in Ballot Application Deadline: October 23
Many jurisdictions will also hold municipal elections throughout 2024. To learn if your town, city, or county has upcoming elections and for voter registration deadlines, please contact your local election authority.
Official Election Websites
More election information available at:
Online voter registration available at:
Mail-in voter registration form available at:
Register at School or Home
Students have a decision about where to register to vote.
You have a right to register to vote at the address you consider the place where you live, whether that is your family's home or the place where you attend school. You should update your registration anytime this home address changes.
You may only be registered and vote in one location.
What Type of ID Do I Need to Register?
Missouri’s voter registration form asks for your Missouri driver’s license number or the last four digits of your Social Security number. Be sure to provide one of these numbers if you have it.
What Type of ID Do I Need to Vote?
Missouri requires in-person voters to present identification. IDs must be current, however, an ID that expired after the most recent general election may be used. The permitted forms of identification for voting are:
A Missouri driver or non-driver license;
A military ID, including a veteran’s ID card;
A United States passport; or
Another photo ID issued by the United States or the state of Missouri
For more information about Missouri’s voter ID rules, visit: https://www.sos.mo.gov/elections/goVoteMissouri/howtovote#Forms
If you registered to vote by mail, have not voted in person before, and requested to vote by mail, you will need to submit a copy of an acceptable ID with your absentee ballot request form. This requirement does not apply if you are located overseas, are on active military duty or living with a family member who is, or you have a permanent disability.
Where Do I Vote?
Make a plan. Look up your voting site and hours at:
How Can I Vote?
By Mail: Missouri requires an excuse to vote by mail. Voters are eligible to vote by mail using one of the following excuses:
Absence on Election Day from the jurisdiction of the election authority in which the voter is registered
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
Employment as a first responder, health care worker, or member of law enforcement
Incarceration, provided all qualifications for voting are retained
Certified participation in the address confidentiality program
You may request an absentee ballot from your local election authority either in person or by mail, email, or fax. A request form is available at: https://www.sos.mo.gov/CMSImages/ElectionGoVoteMissouri/AbsenteeBallotRequestForm.pdf
Absentee ballot requests must be received by the local election authority by 5 p.m. on the 2nd Wednesday before Election Day. Completed absentee ballots must be received by an election authority by close of polls Election Day.
Early In-Person: Any voter may cast an absentee ballot in person at their local election official's office starting the 2nd Tuesday before Election Day up through the day before Election Day.
Election Day: Voting sites will be open from 6 a.m. to 7 p.m. on Election Day. If you are in line by closing time, then you have a right to vote.
Curbside voting is available for voters with disabilities. For more information on curbside voting, please visit: https://www.sos.mo.gov/elections/goVoteMissouri/howtovote#Forms
Does Registering to Vote Affect my Federal Financial Aid?
Where you register to vote will not affect federal financial aid such as Pell Grants, Perkins or Stafford loans, or your dependency status for FAFSA.
Does Registering to Vote Affect my Status as a Dependent on My Parents’ Taxes?
Being registered to vote at a different address from your parents does not prevent them from claiming you as a dependent on their taxes.
Does Registering to Vote impact my Tuition Status?
Being deemed out-of-state for tuition purposes does not prevent you from choosing to register to vote in your campus community.
Will registering to vote in Missouri affect my driver’s license or car registration?
As a full time student in Missouri, you may be required to obtain a Missouri driver's license and update your car’s registration, regardless of whether you register to vote there. For more information, contact the Missouri Department of Motor Vehicle.
Fair Elections Center and Campus Vote Project intend the information contained herein to be used only as a general guide. This document should not be used as a substitute for consultation with a licensed Missouri legal professional.
Last updated January 2024