Donald J. Trump won Whiteside County with 56.3% of the vote, ahead of Kamala D. Harris. 26,447 votes were counted. The party margin was a Republican lead of 14.7 points. Compared with the previous presidential election in Whiteside County that is loaded, the margin moved 6.4 points toward Republicans.
Whiteside County leans Republican by 13.4 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Whiteside County voted for the winner of the national popular vote in 4 of 7 presidential elections from 2000 to 2024. On average its margin sat 10.2 points away from the national margin.
In 2024, 26,447 votes were cast in the biggest race, which is 62.5% of the 42,320 citizens aged 18 and over in Whiteside County.
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