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Iowa·IA·FIPS 19149
Plymouth County
Voted Republican in 2024 · 14,084 votes cast
About Plymouth County
Plymouth County is the westernmost county in the U.S. state of Iowa. As of the 2020 census, the population was 25,698, and was estimated to be 25,697 in 2025. The county seat and the largest city is Le Mars. Plymouth County was named after Plymouth, Massachusetts.
Read more on Wikipedia →Total Votes (2024)
14,084
Winner Margin
R+53.7
Turnout Change
-0.7%
2020→2024 Swing
R+4.2
2024 Presidential Results
All candidates · Plymouth County, Iowa
Donald J Trump(Republican)
151.4%21,322
Won by 15,114 votes
Kamala D Harris(Democrat)
44.1%6,208
Undervotes(Other)
3.9%548
Chase Oliver(Libertarian)
0.6%90
Margin History
Red = Republican, Blue = Democratic
2024R+53.7
2020R+49.5
2016R+51.5
🔴
Swung Right in 2024
Plymouth County shifted 4.2 points toward Republicans compared to 2020. Voter turnout decreased by 0.7%.
What does Plymouth County really think?
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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)