Election Authority


Last day to register to vote in the Aug. 2, 2016 Primary Election is July 6.


  • 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.
  • Registration cards can be obtained at libraries, schools and city halls located in St. Charles County. The card must be mailed to the Election Authority by the applicant.
  • Other options for registering to vote can be found in the Helpful Resources section located on this page below.

Absentee voting in the Primary Election begins June 21.


St. Charles County Election Authority
397 Turner Boulevard
St. Peters, MO 63376
Monday–Friday, 8 a.m. to 5 p.m. June 21 through Aug. 1
Saturday, July 23 and Saturday, July 30 8:30 a.m. to 12:30 p.m.
(The Election Authority will be closed July 4 for Independence Day.)

For additional information regarding absentee voting, please see the Written Requests and Absentee Ballot Application section located on this page below.
Written Requests and Absentee Ballot Application

Written requests for absentee ballot must be received in the Election Authority’s office no later than 5 p.m. the Wednesday before any election. 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 a Primary Election Ballot
  • Your signature
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.
Helpful Resources