Pennsylvania·PA·FIPS 42005

Armstrong County

Voted Republican in 2024 · 37,119 votes cast

About Armstrong County

Armstrong County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 65,558. The county seat is Kittanning. The county was organized on March 12, 1800, from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who represented Pennsylvania in the Continental Congress and served as a major general during the Revolutionary War. The county is part of the Greater Pittsburgh region of the commonwealth.

2024 Presidential Results

All candidates · Armstrong County, Pennsylvania

Donald J Trump(Republican)

152.5%56,592

Won by 39,486 votes

Kamala D Harris(Democrat)

46.1%17,106

Chase Oliver(Libertarian)

1.0%364

Other(Other)

0.5%176

Margin History

Red = Republican, Blue = Democratic

2024R+53.2

2020R+52.3

2016R+51.6

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Swung Right in 2024

Armstrong County shifted 0.9 points toward Republicans compared to 2020. Voter turnout increased by 2.1%.

Armstrong County — Local Discussion

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What does Armstrong County really think?

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