Donald J. Trump won Mercer County with 83.0% of the vote, ahead of Kamala D. Harris. 23,753 votes were counted. The party margin was a Republican lead of 66.7 points. Compared with the previous presidential election in Mercer County that is loaded, the margin moved 1.8 points toward Republicans.
Mercer County leans Republican by 66.8 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Mercer 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 58.1 points away from the national margin.
In 2024, 23,753 votes were cast in the biggest race, which is 76.7% of the 30,955 citizens aged 18 and over in Mercer County.
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