Voter Registration Information

Timeline to Register
If you are a Missouri resident, you can register to vote on or before the fourth Wednesday prior to the election.
To vote in the April 3, 2018, election, you must be registered to vote by Wednesday, March 7, 2018.

A person may vote in any election who:

  • Is a citizen of the United States and is 18 years of age or older

  • Has been a resident of the state and of the election district, in which the person seeks to vote, for at least 28 days prior to the election

  • Has registered before the election registration deadline

  • Is not registered to vote in another jurisdiction

Registering Age
You can register at 17.5 years old, but you must be 18 on or before election day in order to vote.

Where to Register
You can register to vote at any of the following sites:

  • Election Authority's Office

  • Public Schools

  • Community College

  • Libraries (by mail registration cards available for voters to complete and mail to Election Authority)

  • City Halls

  • Vehicle Registration Offices

  • All State Offices Providing Public Assistance

  • Online with the Missouri Voter Registration Application (PDF)

Deadline to Register
The deadline to register for the April 3 election is March 7.

Precinct & Polling Place Location
Your precinct number and polling location are shown on your Voter Notification Card. You may also call the Election Authority at 636-949-7550 or utilize the 
polling place search.


Written Requests and Absentee Ballot Application

Written requests for an absentee ballot must be received in the Election Authority’s office no later than 5 PM on Wednesday, March 28.

You may download, complete and return the 
Application for Absentee Ballot for St. Charles County, Missouri or your request must contain the following information:

  • Your full name

  • Address where you live

  • Address where you would like the ballot to be mailed (if different)

  • Reason for voting absentee

  • The date of the election

  • Your political party preference, if you are applying for an August Primary Ballot

  • Your signature

St. Charles County Election Authority
For more information, visit the 
St. Charles County Election Authority website.

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