Missouri·MO·FIPS 29185

St Clair County

Voted Republican in 2024 · 4,990 votes cast

About St Clair County

St. Clair County is a county located in the western portion of the U.S. state of Missouri. As of the 2020 census, the population was 9,284. Its county seat is Osceola. The largest city is Appleton City. The county was organized in 1841 and named after General Arthur St. Clair, Governor of the Northwest Territory. St. Clair was also the 9th president of the United States in Congress Assembled. Under his presidency, the Northwest Ordinance and United States Constitution were passed.

2024 Presidential Results

All candidates · St Clair County, Missouri

Donald J Trump(Republican)

79.8%3,982

Won by 3,023 votes

Kamala D Harris(Democrat)

19.2%959

Chase Oliver(Libertarian)

0.6%32

Other(Other)

0.3%17

Margin History

Red = Republican, Blue = Democratic

2024R+60.6

2020R+59.2

2016R+55.4

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Swung Right in 2024

St Clair County shifted 1.4 points toward Republicans compared to 2020. Voter turnout increased by 0.3%.

St Clair County — Local Discussion

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What does St Clair County really think?

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