Missouri·MO·FIPS 29129

Mercer County

Voted Republican in 2024 · 1,792 votes cast

About Mercer County

Mercer County is a county located in the northwestern portion of the U.S. state of Missouri. As of the 2020 census, the population was 3,538, making it the second-least populous county in Missouri. Its county seat is Princeton. The county was organized February 14, 1845, and named for General John F. Mercer of the Revolutionary War.

2024 Presidential Results

All candidates · Mercer County, Missouri

Donald J Trump(Republican)

86.2%1,545

Won by 1,310 votes

Kamala D Harris(Democrat)

13.1%235

Chase Oliver(Libertarian)

0.4%8

Other(Other)

0.2%4

Margin History

Red = Republican, Blue = Democratic

2024R+73.1

2020R+74.1

2016R+72.8

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Swung Left in 2024

Mercer County shifted 1.0 points toward Democrats compared to 2020. Voter turnout increased by 0.7%.

Mercer County — Local Discussion

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What does Mercer County really think?

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