Ohio·OH·FIPS 39149

Shelby County

Voted Republican in 2024 · 25,288 votes cast

About Shelby County

Shelby County is a county in the western portion of the U.S. state of Ohio. As of the 2020 United States census, the population was 48,230. Its county seat is Sidney. Its name honors Isaac Shelby, first governor of Kentucky. Shelby County comprises the Sidney, OH Micropolitan Statistical Area, which is also included in the Dayton–Springfield–Sidney, OH Combined Statistical Area.

2024 Presidential Results

All candidates · Shelby County, Ohio

Donald J Trump(Republican)

82.0%20,740

Won by 16,390 votes

Kamala D Harris(Democrat)

17.2%4,350

Chase Oliver(Libertarian)

0.4%104

Other(Other)

0.4%94

Margin History

Red = Republican, Blue = Democratic

2024R+64.8

2020R+63.2

2016R+60.4

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Swung Right in 2024

Shelby County shifted 1.6 points toward Republicans compared to 2020. Voter turnout increased by 0.1%.

Shelby County — Local Discussion

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