Here’s how all 58 California counties voted on Prop 50, with around 75% of the vote in: Alameda - Yes, 79.9%. No, 20.1%. Alpine - Yes, 64.6%. No, 35.4%. Amador - Yes, 34.8%. No, 65.2% .

Proposition 50, a ballot measure about redrawing the state’s congressional districts, was crafted by Democrats in response to Trump urging Texas and other GOP-majority states to modify their congressional maps to favor Republicans, a move that was designed to maintain Republican control of the U.S. House of Representatives.

Trump-won California counties supported Prop 50, the Democratic redistricting measure poised to affect House control in 2026.

Califorina Republicans have asked a federal court to block Proposition 50 and newly approved maps in California that could flip as many as five House seats to Democrats. The measure was approved

The California Republican Party said Wednesday it will sue to challenge the new congressional map approved by voters under Proposition 50​.

Proposition 50, backed by Gov. Gavin Newsom and the state’s Democratic Legislature, asked voters to replace the state’s independently drawn congressional districts with new maps

Republicans wasted no time taking Gavin Newsom to court today after last night’s big Proposition 50 win for the ambitious California governor Still, even after Donald Trump late Tuesday threatened California’s successful redistricting measure with legal action,

Early results show that Prop 50 was a tight race in counties like Fresno and Inyo. But in some counties, voters overwhelmingly opposed it.