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 voter registrations was 5:00 PM Wednesday, October 9, 2019 to vote in the SPECIAL ELECTION NOVEMBER 2019 (Tuesday, November 5, 2019). You can register to vote for the next election or, if you are already registered to vote in Boone County, 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

Your Voter Registration will not be valid until you have returned your signed and dated application to the Boone County Clerk's Office.

If you are not using a touch-enabled phone, tablet, or PC you will need to print, sign, and return the application via mail, email, or fax.