Register to Vote


The deadline to register to vote is the 4th Wednesday preceding any election. Remember to include your signature and we are not allowed to accept a new application sent by fax.

You may mail your registration/change of address to:
Jefferson County Clerk’s Office
P.O. Box 100
Hillsboro MO 63050

Contact Us

If you are unsure if you are registered to vote, feel free to contact us at 636-797-5486. Thank you for registering to vote!