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Iowa·IA·FIPS 19141
O'Brien County
Voted Republican in 2024 · 7,569 votes cast
About O'Brien County
O'Brien County is a county in the U.S. state of Iowa. As of the 2020 United States census, the population was 14,182. The county seat is Primghar.
Read more on Wikipedia →Total Votes (2024)
7,569
Winner Margin
R+60.4
Turnout Change
+0.2%
2020→2024 Swing
R+3.4
2024 Presidential Results
All candidates · O'Brien County, Iowa
Donald J Trump(Republican)
158.5%11,996
Won by 9,140 votes
Kamala D Harris(Democrat)
37.7%2,856
Undervotes(Other)
3.2%242
Chase Oliver(Libertarian)
0.6%44
Margin History
Red = Republican, Blue = Democratic
2024R+60.4
2020R+57.0
2016R+59.9
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Swung Right in 2024
O'Brien County shifted 3.4 points toward Republicans compared to 2020. Voter turnout increased by 0.2%.
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No one has claimed O'Brien County yet
Be the first citizen to represent your county in the Citizens' Assembly. Your vote will shift O'Brien County's position on the national map.
Claim O'Brien County→What does O'Brien 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)