2024 United States presidential election in California

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2024 United States presidential election in California
	November 5, 2024
Turnout	71.43% (of registered voters) 9.24 pp ; 59.97% (of eligible voters) 10.91 pp
Harris 40–50% 50–60% 60–70% 70–80% 80–90%	Trump 40–50% 50–60% 60–70% 70–80%
President before election; Joe Biden; Democratic	Elected President ; Donald Trump; Republican

The 2024 United States presidential election in California took place on Tuesday, November 5, 2024, as part of the 2024 United States presidential election in which all 50 states plus the District of Columbia participated. California voters chose electors to represent them in the Electoral College via a popular vote. California has 54 electoral votes in the Electoral College, the most in the country.

The most populous state in the union, California is considered a strongly blue state, having voted Democratic in every presidential election since 1992. In these contests, it has supported Democratic candidates by double digits in each of them except for 2004, when John Kerry won it by 9.95 percentage points. It was widely expected that California voters would maintain this trend, particularly with Vice President Kamala Harris as the Democratic nominee. Harris, a native of California, served as the state's Attorney General from 2011 to 2017 and later represented California in the U.S. Senate from 2017 to 2021 before assuming the vice presidency. She is the first Californian to be featured on a major party presidential ticket since Ronald Reagan in 1984, and the first Democrat from the Western United States.

Although Kamala Harris won in California by a margin of 20 percentage points, it represented a significant decrease compared to Joe Biden's 29-point victory in the state in 2020. This trend of diminished Democratic voter turnout was also evident in other traditionally Democratic strongholds, including Massachusetts, New York and Illinois. Harris's performance in California was the worst for a Democratic candidate since 2004, failing to receive at least 60% of the vote in the state for the first time since then.