Jefferson County Seal
Jefferson County,
Missouri
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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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