Jefferson County Seal
Jefferson County,
Est. 1818
Photo of Rockford Beach Photo of Admin Building Photo of Annex Building Photo of Court House Photo of Soccer Game Photo of Detention Center Photo of Justice Center Photo of Law Enforcement Memorial Photo of Child Fishing Photo of Sheriff Dept Jail Photo of Sheriff East Zone building Photo of Sheriff North Zone building
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Voter Information for

 Jefferson County, Missouri


In order to vote in Jefferson County, a citizen must be registered IN Jefferson County at his CURRENT address.


Those individuals who move from another county to Jefferson County MUST re-register by the registration deadline in order to be eligible to vote. 


If an individual is unsure if he is registered at his current address, he may call our office at 636-797-5486.


Am I Registered to vote in Jefferson County, Missouri ? 


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Absentee Info for Military Voters