Gov. Gavin Newsom speaks to the press, alongside his partner, Jennifer Lynn Siebel Newsom, after Proposition 50 was passed by California voters, at the California Democratic Party headquarters in Sacramento on Nov. 4, 2025. (Photo by Jungho Kim for CalMatters)

This story was originally published by CalMatters.

California voters on Tuesday passed a ballot measure to redraw the state’s congressional map to favor Democrats, a major victory for the party in a high-stakes national redistricting fight that could determine who controls the U.S. House of Representatives next year.

The Associated Press called the race shortly after polls closed at 8 p.m. Early returns showed the measure leading with nearly 65% of the vote.

The maps voters approved with Proposition 50 make it likely that five of

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