Donald J. Trump won Lewis and Clark County with 51.1% of the vote, ahead of Kamala D. Harris. 42,023 votes were counted. The party margin was a Republican lead of 5.7 points. Compared with the previous presidential election in Lewis and Clark County that is loaded, the margin moved 1.8 points toward Republicans.
Lewis and Clark County leans Republican by 5.5 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Lewis and Clark County voted for the winner of the national popular vote in 3 of 7 presidential elections from 2000 to 2024. On average its margin sat 8.9 points away from the national margin.
In 2024, 42,389 votes were cast in the biggest race, which is 74.9% of the 56,575 citizens aged 18 and over in Lewis and Clark County.
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