Idaho·ID·FIPS 16037

Custer County

Voted Republican in 2024 · 2,650 votes cast

About Custer County

Custer County is a rural mountain county in the center of the U.S. state of Idaho. As of the 2020 census, the population was 4,275, making it the fifth-least populous county in Idaho. The county seat is Challis. Established in 1881, the county was named for the General Custer Mine, where gold was discovered five years earlier. Custer County relies on ranching, mining, and tourism as its main resources.

2024 Presidential Results

All candidates · Custer County, Idaho

Donald J Trump(Republican)

75.4%1,998

Won by 1,412 votes

Kamala D Harris(Democrat)

22.1%586

Other(Other)

2.2%57

Chase Oliver(Libertarian)

0.3%9

Margin History

Red = Republican, Blue = Democratic

2024R+53.3

2020R+54.3

2016R+55.9

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Swung Left in 2024

Custer County shifted 1.0 points toward Democrats compared to 2020. Voter turnout decreased by 3.2%.

Custer County — Local Discussion

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What does Custer County really think?

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