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Iowa edition
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Clayton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 17,043, and was estimated to be 16,845 in 2025. The county seat is Elkader and the largest city is Guttenberg.
Description adapted from Wikipedia, CC BY-SA 4.0.
The county was formed on December 21, 1837, and was named in honor of John M. Clayton, United States Senator from Delaware and later Secretary of State under President Zachary Taylor.
Adapted from Wikipedia, CC BY-SA 4.0.
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Official channels
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This is the Clayton County page of Iowa Voter Check, a project of True the Vote, pointing Iowa voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Clayton County or the Iowa Secretary of State publishes, they are right and this page is not.
