Virginia·VA·FIPS 51059

Fairfax County

Voted Democratic in 2024 · 584,387 votes cast

About Fairfax County

Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. With a population of 1,150,309 as of the 2020 census, it is the most populous county in Virginia, the most populous jurisdiction in the Washington metropolitan area, and the most populous location in the Washington–Baltimore combined statistical area. The county seat is Fairfax; however, because it is an independent city under Virginia law, the city of Fairfax is not part of the county.

2024 Presidential Results

All candidates · Fairfax County, Virginia

Kamala D Harris(Democrat)

66.1%386,438

Won by 204,543 votes

Donald J Trump(Republican)

31.1%181,895

Other(Other)

2.3%13,156

Chase Oliver(Libertarian)

0.5%2,898

Margin History

Red = Republican, Blue = Democratic

2024D+35.0

2020D+41.8

2016D+35.8

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Swung Right in 2024

Fairfax County shifted 6.8 points toward Republicans compared to 2020. Voter turnout decreased by 2.8%.

Fairfax County — Local Discussion

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What does Fairfax County really think?

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