New California Congressional Districts

Supreme Court allows Prop 50 redistricting, bringing major shifts in representation for East County voters

Which district will you be in for the upcoming elections?

By Miriam Raftery

Photo:  Rep. Darrell Issa’s once-safe seat is now vulnerable, as new district has more Democrats than Republican voters.

February 5, 2026 (San Diego’s East County) — State Republicans have lost a last-ditch appeal to the U.S. Supreme Court seeking to block Prop 50 redistricting of Congressional districts.  The high court declined to hear the case, with no justices dissenting from the order.  As a result, San Diego County’s Congressional district lines will change dramatically for the June primary and November general election. 

Governor Gavin Newsom pushed forward the California redistricting plan, which was approved by voters and favors Democrats; experts predict it could flip five seats in California, including the 48th district currently represented by Republican Darrell Issa. California’s redrawing of districts came in response to Texas redistricting  which favors Republicans and was allowed to stand by the Supreme Court. At stake is the balance of power in Congress.


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