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
Home  County Offices  County Clerk/Election Authority  Election Authority/Voter Registration  Voter Information


Qualifications of Voters


To register to vote in Jefferson County, Missouri, a citizen must:  



  • Be a United States citizen  
  • Must be 17 ½ years of age (18 years old by election day)   
  • Be a resident of Jefferson County, Missouri