Donald J. Trump won Rock County with 89.3% of the vote, ahead of Kamala D. Harris. 834 votes were counted. The party margin was a Republican lead of 79.1 points. Compared with the previous presidential election in Rock County that is loaded, the margin moved 0.7 points toward Republicans.
Rock County leans Republican by 79.6 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Rock 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 75.8 points away from the national margin.
In 2024, 834 votes were cast in the biggest race, which is 80.6% of the 1,035 citizens aged 18 and over in Rock County.
More: US election results, counties and cities, housing market.