Kamala D. Harris won Arlington County with 78.3% of the vote, ahead of Donald J. Trump. 128,362 votes were counted. The party margin was a Democratic lead of 58.6 points. Compared with the previous presidential election in Arlington County that is loaded, the margin moved 4.9 points toward Republicans.
Arlington County leans Democratic by 61.1 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Arlington County voted for the winner of the national popular vote in 5 of 7 presidential elections from 2000 to 2024. On average its margin sat 46.3 points away from the national margin.
In 2024, 128,362 votes were cast in the biggest race, which is 75.6% of the 169,800 citizens aged 18 and over in Arlington County.
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