Kamala D. Harris won Los Alamos County with 63.4% of the vote, ahead of Donald J. Trump. 12,187 votes were counted. The party margin was a Democratic lead of 30.2 points. Compared with the previous presidential election in Los Alamos County that is loaded, the margin moved 3.5 points toward Democrats.
Los Alamos County leans Democratic by 30.4 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Los Alamos 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 13.9 points away from the national margin.
In 2024, 12,187 votes were cast in the biggest race, which is 84.8% of the 14,375 citizens aged 18 and over in Los Alamos County.
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