Donald J. Trump won St. Mary's County with 57.0% of the vote, ahead of Kamala D. Harris. 58,954 votes were counted. The party margin was a Republican lead of 17.0 points. Compared with the previous presidential election in St. Mary's County that is loaded, the margin moved 3.2 points toward Republicans.
St. Mary's County leans Republican by 16.8 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
St. Mary's 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 20.4 points away from the national margin.
In 2024, 58,954 votes were cast in the biggest race, which is 69.4% of the 84,970 citizens aged 18 and over in St. Mary's County.
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