Donald J. Trump won Williamson County with 65.4% of the vote, ahead of Kamala D. Harris. 144,668 votes were counted. The party margin was a Republican lead of 32.4 points. Compared with the previous presidential election in Williamson County that is loaded, the margin moved 6.3 points toward Republicans.
Williamson County leans Republican by 31.4 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Williamson 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 39.8 points away from the national margin.
In 2024, 144,668 votes were cast in the biggest race, which is 81.1% of the 178,290 citizens aged 18 and over in Williamson County.
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