Register to Vote or Update Your Registration

The deadline to register to vote in an election is the fourth Wednesday prior to the election. If registering by mail, your voter registration must be postmarked on the fourth Wednesday prior to the election.

Please Note: The deadline for new Missouri voter registrations was 5:00 PM Wednesday, July 10, 2024 to vote in the AUGUST 6 2024 PRIMARY ELECTION (Tuesday, August 6, 2024). You can register to vote for the next election or, if you are already registered to vote in Missouri, you can change your address at any time.

The voter registration qualifications in Missouri are as follows:

  • 17 ½ years of age to register, 18 years of age to vote
  • US Citizen
  • Missouri Resident

If you are registering to vote in Boone County for the first time, you will need to show your ID in order for us to mail you your voter identification card. You can show ID in person at our office in downtown Columbia (801 E Walnut, Room 236), by email at, or when you vote at your polling place on Election Day.

This form allows you to sign with your touch-enabled phone, tablet, or PC.