Check your registration

You must be registered to vote.^[3] Here is how to check your registration.

How to check

• Go to the Secretary of State's Register to Vote page and choose "Check Your Voter Registration."^[1]
• Questions? Call the St. Louis County Board of Elections at 314-615-1800.^[2]

Who can register in Missouri

• You must be a U.S. citizen.^[1]
• You must live in Missouri.^[1]
• You can register at 17 and a half. You must be 18 to vote.^[1]

If you registered by mail

The election office sends you a notice after it gets your form.^[4] If you do not get it within seven to ten days, call the county board to make sure your form was received.^[4]

If you are not registered

The last day to register for the November 3, 2026 election was October 7, 2026.^[5] See Registration deadlines for what you can still do.