Clay County, Missouri
Voting in Clay County, Missouri? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 263,000 people, Clay County ranks 6th in population among Missouri's 115 counties. In Missouri, elections are run by local election authorities: the county clerk in most counties, or a board of election commissioners in several cities and counties.
Next Election
August 8, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register by the fourth Wednesday before an election.
Why Voting Matters
In Clay County, the people who show up to vote decide who represents everyone. The next election for Clay County voters is Missouri's state primary on August 8, 2028; local elections can come sooner, so check your local election office. Local work in professional and technical services and manufacturing means debates over broadband and innovation directly affect Clay County families.
In the 2024 presidential election, about 130,000 ballots were cast in Clay County, up about 3% from 127,000 in 2020. With roughly 205,000 adults living in the county, that is around 64% of adult residents, close to the statewide rate of about 61%.
Around 74,500 adults here did not vote for president. Some aren't eligible, yet the rest are untapped power: one more voter in every 20 of them would mean about 3,720 extra Clay County ballots, enough to change the result in many close contests.
Clay County covers about 398 square miles, with roughly 662 residents per square mile. The county is home to about 4.2% of Missouri's population.
ZIP codes in or partly in Clay County include 64024, 64048, 64060, 64062, 64068, 64069, 64072 and 64073, plus 23 more. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Clay County to join you.
Voter Assistance Resources
Questions about voting in Clay County? In Missouri, elections are run by local election authorities: the county clerk in most counties, or a board of election commissioners in several cities and counties. For registration, polling places, early voting and absentee ballots, contact the Clay County local election authority (county clerk or board of election commissioners).
Statewide directory, Missouri Secretary of State elections division:
https://www.sos.mo.gov/elections/
See your sample ballot. Missouri Secretary of State elections division (voter lookup shows sample ballots):
https://www.sos.mo.gov/elections/
You can also preview a personalized ballot at Vote411.org.
To ask a question or report a problem at the polls, call or text Election Protection at 866-OUR-VOTE (866-687-8683), a free nonpartisan hotline. For help in Spanish call 888-VE-Y-VOTA (888-839-8682); for Asian languages call 888-API-VOTE (888-274-8683).
Voters with disabilities in Clay County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Missouri Protection & Advocacy, Missouri's Protection and Advocacy agency, at (573) 893-3333. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our Missouri voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Clay County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
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