← Back to Battleground Map
Iowa·IA·FIPS 19043
Clayton County
Voted Republican in 2024 · 9,461 votes cast
About Clayton County
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.
Read more on Wikipedia →Total Votes (2024)
9,461
Winner Margin
R+34.2
Turnout Change
-1.4%
2020→2024 Swing
R+5.3
2024 Presidential Results
All candidates · Clayton County, Iowa
Donald J Trump(Republican)
132.2%12,510
Won by 6,476 votes
Kamala D Harris(Democrat)
63.8%6,034
Undervotes(Other)
3.3%310
Chase Oliver(Libertarian)
0.7%68
Margin History
Red = Republican, Blue = Democratic
2024R+34.2
2020R+29.0
2016R+22.8
🔴
Swung Right in 2024
Clayton County shifted 5.3 points toward Republicans compared to 2020. Voter turnout decreased by 1.4%.
What does Clayton County really think?
Elections happen once every 4 years. On constitution.vote, your voice is heard every day. Join the assembly and vote on the issues that matter to Iowa.
Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)