Donald J. Trump won Custer County with 66.8% of the vote, ahead of Kamala D. Harris. 3,867 votes were counted. The party margin was a Republican lead of 36.1 points. Compared with the previous presidential election in Custer County that is loaded, the margin moved 1.4 points toward Democrats.
Custer County leans Republican by 37.3 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Custer 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 40.6 points away from the national margin.
In 2024, 3,867 votes were cast in the biggest race, which is 90.6% of the 4,270 citizens aged 18 and over in Custer County.
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