Iowa·IA·FIPS 19125

Marion County

Voted Republican in 2024 · 19,661 votes cast

About Marion County

Marion County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 33,414. The county seat is Knoxville. It is named for Francis Marion, a brigadier general from South Carolina in the American Revolutionary War.

2024 Presidential Results

All candidates · Marion County, Iowa

Donald J Trump(Republican)

135.2%26,578

Won by 14,722 votes

Kamala D Harris(Democrat)

60.3%11,856

Undervotes(Other)

3.5%694

Chase Oliver(Libertarian)

1.0%194

Margin History

Red = Republican, Blue = Democratic

2024R+37.4

2020R+34.0

2016R+30.8

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Swung Right in 2024

Marion County shifted 3.4 points toward Republicans compared to 2020. Voter turnout increased by 2.2%.

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No one has claimed Marion County yet

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Marion County — Local Discussion

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