Kamala D. Harris won Prince William County with 57.6% of the vote, ahead of Donald J. Trump. 227,591 votes were counted. The party margin was a Democratic lead of 18.0 points. Compared with the previous presidential election in Prince William County that is loaded, the margin moved 9.0 points toward Republicans.
Prince William County leans Democratic by 20.7 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Prince William County voted for the winner of the national popular vote in 5 of 7 presidential elections from 2000 to 2024. On average its margin sat 13.8 points away from the national margin.
In 2024, 227,591 votes were cast in the biggest race, which is 73.9% of the 308,060 citizens aged 18 and over in Prince William County.
More: US election results, counties and cities, housing market.