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Iowa·IA·FIPS 19075
Grundy County
Voted Republican in 2024 · 7,202 votes cast
About Grundy County
Grundy County is a county located in the U.S. state of Iowa. At the 2020 census, the population was 12,329, and was estimated to be 12,361 in 2025. The county seat and the largest city is Grundy Center. The county is named for Felix Grundy, former U.S. Attorney General.
Read more on Wikipedia →Total Votes (2024)
7,202
Winner Margin
R+41.4
Turnout Change
-1.0%
2020→2024 Swing
R+3.7
2024 Presidential Results
All candidates · Grundy County, Iowa
Donald J Trump(Republican)
138.8%9,996
Won by 5,958 votes
Kamala D Harris(Democrat)
56.1%4,038
Overvotes(Other)
4.5%324
Chase Oliver(Libertarian)
0.6%46
Margin History
Red = Republican, Blue = Democratic
2024R+41.4
2020R+37.6
2016R+38.9
🔴
Swung Right in 2024
Grundy County shifted 3.7 points toward Republicans compared to 2020. Voter turnout decreased by 1.0%.
What does Grundy County really think?
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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)