Jefferson County Seal
Jefferson County,
Est. 1818
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 Name Change or Change of Address

Have you recently moved, married or changed your name? 

Missouri law requires that a voter cast a ballot based on his current address and current name

so take this opportunity to update your information with us!


Update your registration record on-line by using the following link:

(This link will take you to the Missouri Secretary of State's website.)


Change your name/address 




Send your updated information to our office.

      Include your new name and/or new address on a sheet of paper, with your signature. 


      Mail or Fax to:


      Jefferson County Clerk's Office

      Election Authority 

      PO Box 100

      Hillsboro, MO 63050 

      Fax No: 636-797-5360