Donald J. Trump won Petroleum County with 87.7% of the vote, ahead of Kamala D. Harris. 324 votes were counted. The party margin was a Republican lead of 76.2 points. Compared with the previous presidential election in Petroleum County that is loaded, the margin moved 1.8 points toward Republicans.
Petroleum County leans Republican by 76.9 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Petroleum 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 72.2 points away from the national margin.
In 2024, 330 votes were cast in the biggest race, which is 94.3% of the 350 citizens aged 18 and over in Petroleum County.
More: US election results, counties and cities, housing market.