The 2016 United States presidential election in California was held on Tuesday, November 8, 2016, as part of the 2016 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, pitting the Republican Party's nominee, businessman Donald Trump, and running mate Indiana Governor Mike Pence against Democratic Party nominee, former Secretary of State Hillary Clinton, and her running mate Virginia Senator Tim Kaine. California had 55 electoral votes in the Electoral College, the most of any state.

The 1936 United States presidential election in California was held on November 3, 1936, as part of the 1936 United States presidential election. State voters chose twenty-two electors, or representatives to the Electoral College, who voted for president and vice president.