Kamala D. Harris won St. Clair County with 52.9% of the vote, ahead of Donald J. Trump. 119,962 votes were counted. The party margin was a Democratic lead of 7.8 points. Compared with the previous presidential election in St. Clair County that is loaded, the margin moved 0.9 points toward Republicans.
St. Clair County leans Democratic by 8.2 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
St. Clair 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 10.1 points away from the national margin.
In 2024, 119,962 votes were cast in the biggest race, which is 62.4% of the 192,290 citizens aged 18 and over in St. Clair County.
More: US election results, counties and cities, housing market.