Ohio·OH·FIPS 39081

Jefferson County

Voted Republican in 2024 · 31,267 votes cast

About Jefferson County

Jefferson County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 65,249. Its county seat is Steubenville. The county is named for Thomas Jefferson, who was vice president at the time of its creation.

2024 Presidential Results

All candidates · Jefferson County, Ohio

Donald J Trump(Republican)

71.4%22,317

Won by 13,725 votes

Kamala D Harris(Democrat)

27.5%8,592

Other(Other)

0.8%247

Chase Oliver(Libertarian)

0.4%111

Margin History

Red = Republican, Blue = Democratic

2024R+43.9

2020R+38.4

2016R+35.5

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Swung Right in 2024

Jefferson County shifted 5.5 points toward Republicans compared to 2020. Voter turnout decreased by 6.3%.

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No one has claimed Jefferson County yet

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Jefferson County — Local Discussion

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