Clayton County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 17,043. The county seat is Elkader. The county was founded in 1837 and was named in honor of John M. Clayton, United States Senator from Delaware and later Secretary of State under President Zachary Taylor.
References[change | change source]
- "QuickFacts: Clayton County, Iowa". United States Census Bureau. Retrieved August 9, 2023.
- "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.
- Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 84.