Election Authority

COVID-19 Latest News (Updated May 20, 2020)

The Election Authority remains open for essential services, including absentee voting, candidate filing, and voter registration. This website will be updated to reflect any changes in facility or department services. The public is encouraged to continue accessing County Government services by phone, email and online when available. Thank you.

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August 4, 2020 Primary Election Information

Absentee Voting in the August 4 Primary Election Begins Tuesday, June 23

St. Charles County Election Authority
397 Turner Blvd., St. Peters, MO 63376
8 a.m.–5 p.m., Monday–Friday, June 23–Aug. 3
8:30 a.m.–12:30 p.m., Saturday, Aug. 1
The office will be closed in observance of Independence Day Friday, July 3.

Additional information regarding absentee voting can be found in the "Written Requests for Absentee Ballot Applications" section located on this page and on the Voting in St. Charles County page.

Last Day to Register to Vote in the August 4 Primary Election is Wednesday, July 8

  • St. Charles County residents may register in person at the Election Authority office at 397 Turner Boulevard in St. Peters. (The office will be closed July 3 in observance of Independence Day).
  • Residents may register while obtaining services from state agencies such as the Department of Motor Vehicles, Division of Family Services, Military Recruitment or WIC.
  • Online registration is available on the Secretary of State’s website.
  • Other options for registering to vote can be found in the "Helpful Resources" section located on this page and on the Voting in St. Charles County page.

Additional August 4, 2020 Primary Election Information

The Election Authority is working to provide disinfectant wipes, masks and gloves for election judges and hand sanitizer for voters at the upcoming election. To improve social distancing, judge tables and voting booths will be moved farther apart on election day. Depending on the CDC guidelines at the time of the election, we will also work to have voters spaced appropriately while in line when they vote. Voters are encouraged to wear face masks while in their polling places.

Voting by Absentee and Mail-In in 2020

Voter Registration Information

  • St. Charles County residents may register in person at the Election Authority office at 397 Turner Boulevard in St. Peters. 
  • Residents may register while obtaining services from state agencies such as the Department of Motor Vehicles, Division of Family Services, Military Recruitment or WIC.
  • Other options for registering to vote can be found in the "Helpful Resources" section located on this page and on the Voting in St. Charles County page.

Written Requests for Absentee Ballot Applications

Written requests for absentee ballots must be received in the Election Authority’s office no later than 5 p.m. the second Wednesday before any election. You may download, complete and return the Application for Absentee Ballot (PDF) 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 a Primary Election Ballot
  • Your signature

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Directions to the Election Authority

  • We are located off Highways 70 and 79 in St. Peters.
  • Exit off of Highway 70 and head north on Highway 79.
  • Get in the right lane and bear right onto the North Outer Road exit.
  • Go straight at the stop sign, crossing over the North Outer Road.
  • Enter onto Turner Boulevard. The Election Authority office is the second building on the right.

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