Illinois·IL·FIPS 17087

Johnson County

Voted Republican in 2024 · 6,103 votes cast

About Johnson County

Johnson County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 13,308. Its county seat is Vienna. It is located in the southern portion of Illinois known locally as "Little Egypt".

2024 Presidential Results

All candidates · Johnson County, Illinois

Donald J Trump(Republican)

78.6%4,798

Won by 3,557 votes

Kamala D Harris(Democrat)

20.3%1,241

Other(Other)

1.0%64

Chase Oliver(Libertarian)

0.0%0

Margin History

Red = Republican, Blue = Democratic

2024R+58.3

2020R+58.7

2016R+57.6

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Swung Left in 2024

Johnson County shifted 0.4 points toward Democrats compared to 2020. Voter turnout decreased by 5.2%.

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No one has claimed Johnson County yet

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Johnson County — Local Discussion

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