You must be registered to vote.

If you are not currently registered to vote, the deadline to register is by the fourth Wednesday prior to the next election.
Information on registering to vote in Boone County can be found at this link:

https://www.showmeboone.com/clerk/

The phone number for the Boone County Clerk’s office is: 573-886-4295.

As of June 1, 2017, when you go to vote, there are new rules in place as to what forms of identification can be used.  (And assistance in obtaining a state ID, if you don’t have one).
Details are available at this website from the Secretary of State:
http://www.sos.mo.gov/showit2vote

Examples of acceptable IDs can be found at this link:

Click to access AcceptableIDs-ShowIt2Vote.pdf

The Secretary of State’s office also has a toll-free number if you have any questions:
866-868-3245

Voting in Boone County
Voting FAQ for College Students