


In the 2024 House race for CA-42, Robert Garcia (D) defeated John Briscoe (R) 68.1% to 31.9%. Robert Garcia received 159,153 votes compared to 74,410 for John Briscoe, a dominant 36.3-point margin reflecting a safely partisan district.
As the incumbent, Robert Garcia benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. The 2024 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket. The wide margin suggests this district is firmly in the Democrat column for the foreseeable future.
In the 2022 House race for CA-42, Robert Garcia (D) defeated John Briscoe (R) 68.4% to 31.6%. Robert Garcia received 99,217 votes compared to 45,903 for John Briscoe, a dominant 36.7-point margin reflecting a safely partisan district.
This race flipped the seat from Republican to Democrat. Ken Calvert (R) held the seat previously but either retired or lost in a primary. Party flips at the seat level are relatively rare and often signal shifting district dynamics. As a Democrat, Robert Garcia won despite the historical midterm penalty against the president's party (Democrat Biden was in office). The wide margin suggests this district is firmly in the Democrat column for the foreseeable future.