Donald J. Trump won St. Mary Parish with 65.4% of the vote, ahead of Kamala D. Harris. 20,897 votes were counted. The party margin was a Republican lead of 31.9 points. Compared with the previous presidential election in St. Mary Parish that is loaded, the margin moved 2.7 points toward Republicans.
St. Mary Parish leans Republican by 31.6 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
St. Mary Parish voted for the winner of the national popular vote in 2 of 7 presidential elections from 2000 to 2024. On average its margin sat 23.2 points away from the national margin.
In 2024, 20,897 votes were cast in the biggest race, which is 59.1% of the 35,370 citizens aged 18 and over in St. Mary Parish.
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