(i) = incumbent
Physician Raul Ruiz defeated incumbent Mary Bono Mack in 2012 during a year in which stars aligned for California Democrats. Democrats won all contested seats except one (C . . .
|June 5 Primary Election Results|
|Mary Bono Mack (R)||52,474||58.1%||299 of 299|
|Raul Ruiz (D)||37,847||41.9%||299 of 299|
|Source: California Secretary of State|