St. Louis County Board of Elections

How to Vote by Mail

All registered voters are eligible to vote by mail in the upcoming elections. You can apply to vote-by-mail in person or by mail. Submitting your ballot will require a notary. Your ballot must be returned by mail only, and your completed ballot must be received by 7PM on Election Day.

You must be a registered voter to request a mail-in ballot.

Request a Ballot

Please fill out the following form to request a mail-in ballot: Request for Mail-In Ballot.

Deliver Your Ballot Application

Mail or deliver your completed application to:

St. Louis County Board of Elections
725 Northwest Plaza Dr.
St. Ann, MO 63074

Please note: Voters requesting a mail-in ballot by mail who have registered by mail and have never voted in person are required to submit a copy of their personal identification unless they provided a copy with their registration application.

Complete and Send in Your Ballot

Mail-in ballots must be returned by mail in the provided envelope, with the statement on the envelope signed and witnessed by a notary. In order to be counted, mail-in ballots must be received by the election authority at or before the time fixed by law for the closing of the polls on Election Day (7:00 p.m.).

Learn more about voting by mail at the Missouri State website: Mail-In Ballot.