Ohio·OH·FIPS 39061

Hamilton County

Voted Democratic in 2024 · 410,085 votes cast

About Hamilton County

Hamilton County is located in the southwestern corner of the U.S. state of Ohio. As of the 2020 census, the population was 830,639, making it the third-most populous county in Ohio. The county seat and most populous city is Cincinnati. The county is named for the first Secretary of the Treasury, Alexander Hamilton. Hamilton County is part of the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area.

2024 Presidential Results

All candidates · Hamilton County, Ohio

Kamala D Harris(Democrat)

56.9%233,360

Won by 60,995 votes

Donald J Trump(Republican)

42.0%172,365

Chase Oliver(Libertarian)

0.6%2,420

Other(Other)

0.5%1,940

Margin History

Red = Republican, Blue = Democratic

2024D+14.9

2020D+15.9

2016D+10.3

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Swung Right in 2024

Hamilton County shifted 1.0 points toward Republicans compared to 2020. Voter turnout decreased by 4.8%.

Hamilton County — Local Discussion

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What does Hamilton County really think?

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