Caldwell County, Missouri
Everything a Caldwell County, Missouri voter needs in one place: registration, voter ID, absentee and early voting, and your sample ballot. Home to about 9,000 people, Caldwell County ranks 91st 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
Every eligible adult in Caldwell County, Missouri holds the same power on Election Day: one vote that counts exactly as much as anyone else's. The next election for Caldwell County voters is Missouri's state primary on August 8, 2028; local elections can come sooner, so check your local election office. Many Caldwell County jobs are in retail and health care, so decisions about local businesses and health care costs hit close to home.
Caldwell County voters cast about 4,700 ballots for president in 2024, about the same as the 4,680 cast in 2020. Compared with the county's roughly 7,040 adult residents, that works out to about 67%, above the statewide rate of about 61%.
Around 2,340 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 117 extra Caldwell County ballots, enough to change the result in many close contests.
Covering about 426 square miles with roughly 21 people per square mile, Caldwell County is the kind of rural community where a few dozen votes can settle a local election. The county is home to about 0.1% of Missouri's population.
ZIP codes in or partly in Caldwell County include 64062, 64429, 64465, 64624, 64625, 64637, 64644 and 64649, plus 2 more. Check that your registration is current, look up your sample ballot, and make a plan to vote. Then ask a friend or family member in Caldwell County to do the same.
Voter Assistance Resources
Who runs elections in Caldwell 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 Caldwell 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.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Caldwell 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 Caldwell 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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