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California GOP Sues to Block Voter-Approved Prop 50 Redistricting

A federal race-based challenge now puts the 2026 map’s use at stake.

Overview

  • Proposition 50 passed with roughly 64% support, pausing the Citizens Redistricting Commission through 2030 so lawmakers can use a new congressional map starting in 2026.
  • Republican plaintiffs, including five GOP U.S. representatives and the state party, filed suit in the U.S. District Court for the Central District of California seeking to invalidate the map.
  • The complaint alleges violations of the 14th and 15th Amendments by asserting race was an unjustified predominant factor, while experts note courts require strong proof under recent Supreme Court standards.
  • California Democrats defend the measure’s legality and cast it as a counter to Texas’ mid‑decade remap pushed by President Trump, with Gov. Gavin Newsom and lawmakers publicly backing Prop 50.
  • PPIC analysis projects the map would likely yield additional Democratic House seats in 2026, and exit polling shows strong support from registered Democrats, Latino voters and younger voters, though final outcomes hinge on the lawsuit and any related rulings.