Donald J. Trump won Yellowstone County with 62.0% of the vote, ahead of Kamala D. Harris. 81,391 votes were counted. The party margin was a Republican lead of 27.1 points. Compared with the previous presidential election in Yellowstone County that is loaded, the margin moved 3.1 points toward Republicans.
Yellowstone County leans Republican by 27.2 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Yellowstone 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 25.0 points away from the national margin.
In 2024, 81,985 votes were cast in the biggest race, which is 64.5% of the 127,065 citizens aged 18 and over in Yellowstone County.
More: US election results, counties and cities, housing market.