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


Am I Registered to Vote

in Jefferson County, Missouri?



The deadline to register to vote is the 4th Wednesday preceding any election.


Please read the following instructions before proceeding.



You MUST enter your information exactly as requested by this site.


For example:


DO enter your legal first name (Bob=Robert, etc..),

DO enter your last name.

DO enter ONLY the name of your street,

DO NOT include north, south, east, or west.

DO NOT include Blvd, St, Lane, Rd, Trail, Ridge, Crossing, Pkwy, etc.

                at the end of your street name.

DO enter your birthdate using 'slashes' not 'hyphens',

      (for example 08/16/1946 NOT 8-16-46.)


Am I Registered to Vote  in Jefferson County?


Or Register to vote on-line! 



FYI- the link above will send you to the Secretary of State's master voter registration list.

Please contact us directly if you are not able to access the data base.




Did you know? Thomas C Fletcher was Missouri's first native born

governor.  Fletcher,  was a native of Herculaneum and served as Jefferson County

Circuit Clerk in 1850.  Governor Daniel Dunklin is well known for

introducing the public school system to Missouri.  Dunklin, a native of Tennessee,

lived in Potosi and  and is buried on the old family homestead in Herculaneum.

Jeremiah 'Jay' Nixon was elected governor in 2008.  Nixon was a local attorney

from DeSoto and later served as State Senator for Jefferson County.