California’s new congressional map, enacted via Proposition 50 in November 2025 to counter Republican redistricting elsewhere, has shifted several formerly Republican-held districts toward Democrats and is projected to deliver a net gain of three to five seats from the current 43 held by the party. June 2026 primaries confirmed Democratic advances in targeted Central Valley and Southern California districts, including matchups against incumbents such as David Valadao and open seats previously held by Republicans, while a handful of races remain competitive due to candidate strength and registration edges. With the November 3 general election six weeks away and the national midterm environment favoring the opposition party, trader consensus centers on 47 or 48 Democratic seats as the most probable outcomes under the revised lines.