Idaho·ID·FIPS 16065

Madison County

Voted Republican in 2024 · 17,363 votes cast

About Madison County

Madison County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 52,913. The county seat and largest city is Rexburg. Madison County is part of the Rexburg, Idaho micropolitan area, which is also included in the Idaho Falls-Rexburg-Blackfoot Combined Statistical Area.

2024 Presidential Results

All candidates · Madison County, Idaho

Donald J Trump(Republican)

80.2%13,925

Won by 11,158 votes

Kamala D Harris(Democrat)

15.9%2,767

Other(Other)

3.1%535

Chase Oliver(Libertarian)

0.8%136

Margin History

Red = Republican, Blue = Democratic

2024R+64.3

2020R+63.7

2016R+49.3

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Swung Right in 2024

Madison County shifted 0.6 points toward Republicans compared to 2020. Voter turnout increased by 1.5%.

Madison County — Local Discussion

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What does Madison County really think?

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