Iowa·IA·FIPS 19025

Calhoun County

Voted Republican in 2024 · 5,121 votes cast

About Calhoun County

Calhoun County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 9,927, and was estimated to be 9,562 in 2025. The county seat and largest city is Rockwell City.

2024 Presidential Results

All candidates · Calhoun County, Iowa

Donald J Trump(Republican)

144.8%7,416

Won by 4,760 votes

Kamala D Harris(Democrat)

51.9%2,656

Undervotes(Other)

2.7%140

Chase Oliver(Libertarian)

0.6%30

Margin History

Red = Republican, Blue = Democratic

2024R+46.5

2020R+42.4

2016R+40.1

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Swung Right in 2024

Calhoun County shifted 4.1 points toward Republicans compared to 2020. Voter turnout decreased by 2.6%.

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No one has claimed Calhoun County yet

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Calhoun County — Local Discussion

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)