Kamala D. Harris won Cook County with 69.6% of the vote, ahead of Donald J. Trump. 2,079,239 votes were counted. The party margin was a Democratic lead of 41.6 points. Compared with the previous presidential election in Cook County that is loaded, the margin moved 8.7 points toward Republicans.
Cook County leans Democratic by 44.7 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Cook 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 45.9 points away from the national margin.
In 2024, 2,079,239 votes were cast in the biggest race, which is 58.0% of the 3,585,950 citizens aged 18 and over in Cook County.
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