Kansas·KS·FIPS 20087

Jefferson County

Voted Republican in 2024 · 9,927 votes cast

About Jefferson County

Jefferson County is a county located in the U.S. state of Kansas. Its county seat and most populous city is Oskaloosa. As of the 2020 census, the county population was 18,368. The county was named after Thomas Jefferson, the 3rd president of the United States.

2024 Presidential Results

All candidates · Jefferson County, Kansas

Donald J Trump(Republican)

67.4%6,694

Won by 3,664 votes

Kamala D Harris(Democrat)

30.5%3,030

Other(Other)

1.5%146

Chase Oliver(Libertarian)

0.6%57

Margin History

Red = Republican, Blue = Democratic

2024R+36.9

2020R+32.1

2016R+32.3

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Swung Right in 2024

Jefferson County shifted 4.8 points toward Republicans compared to 2020. Voter turnout increased by 1.5%.

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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)