🗳️ Register to Vote
Register to Vote in Clay County, MO
This service isn't handled by the County Clerk. Here's where to go instead.
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Voter registration in Clay County isn't handled by the County Clerk
In Clay County, voter registration is handled by the Clay County Board of Election Commissioners, not the County Clerk. Register with that office, or check where you are registered, on its own page.
🌐 Go to the Clay County Board of Election Commissionersvoteclaycountymo.gov ↗📋
What Missouri requires
Verified 2026-07-09 · official state sources
- Your voter registration must be postmarked or submitted by the 4th Wednesday before an election — about four weeks out. source ↗
- Missouri offers full online voter registration — you can submit your application electronically, or register by mail or in person. source ↗
- To vote in person you must show a nonexpired Missouri driver or nondriver license, a U.S. passport, or a military or veteran ID. A registered voter without one may cast a provisional ballot, which counts if they return with a photo ID or their signature is verified. source ↗
📋Office Information
⚠️ This office does not process voter registration. Use the agency linked above. The office below is your county's County Clerk — useful for other services.
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Office Address
Clay County Administration, 1 Courthouse Square, Liberty, MO 64068
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Phone
816-407-3570📠
Fax
816-407-3581
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Official Website
County Clerk page · claycountymo.gov ↗📝
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