The 1904 United States presidential election in California took place on November 8, 1904, as part of the 1904 United States presidential election. State voters chose 10 representatives, or electors, to the Electoral College, who voted for president and vice president.
California voted for the Republican incumbent, Theodore Roosevelt and his running mate Charles W. Fairbanks of Indiana. They defeated the Democratic nominees, former Chief Judge of New York Court of Appeals Alton B. Parker and his running mate, former US Senator Henry G. Davis of West Virginia. Roosevelt won the state by a wide margin of 34.9%. This was the first election in which a Republican carried Fresno County, Glenn County, Kern County, Lake County, Merced County, Modoc County, San Benito County, Stanislaus County, and Tulare County. Additionally, this was first time since 1872 that a Republican carried El Dorado County and Yolo County.