Kamala D. Harris won Sioux County with 68.6% of the vote, ahead of Donald J. Trump. 953 votes were counted. The party margin was a Democratic lead of 38.7 points. Compared with the previous presidential election in Sioux County that is loaded, the margin moved 7.3 points toward Republicans.
Sioux County leans Democratic by 42.3 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Sioux 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 48.9 points away from the national margin.
In 2024, 953 votes were cast in the biggest race, which is 38.5% of the 2,475 citizens aged 18 and over in Sioux County.
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