Donald J. Trump won Mellette County with 58.6% of the vote, ahead of Kamala D. Harris. 740 votes were counted. The party margin was a Republican lead of 20.1 points. Compared with the previous presidential election in Mellette County that is loaded, the margin moved 0.5 points toward Republicans.
Mellette County leans Republican by 20.6 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Mellette County voted for the winner of the national popular vote in 2 of 7 presidential elections from 2000 to 2024. On average its margin sat 21.4 points away from the national margin.
In 2024, 740 votes were cast in the biggest race, which is 53.0% of the 1,395 citizens aged 18 and over in Mellette County.
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