United States House of Representatives elections, 2010 California California

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| California 25 | Howard McKeon | Republican | 1992 | Re-elected | Howard McKeon (R) 61.8% Jackie Conaway (D) 38.2% |
| California 27 | Brad Sherman | Democratic | 1996 | Re-elected | Brad Sherman (D) 65.2% Mark Reed (R) 34.8% |
| California 32 | Judy Chu | Democratic | 2009 | Re-elected | Judy Chu (D) 71.0% Ed Schmerling (R) 29.0% |
| California 38 | Grace Napolitano | Democratic | 1998 | Re-elected | Grace Napolitano (D) 73.5% Robert Vaughn (R) 26.5% |
| California 40 | Ed Royce | Republican | 1992 | Re-elected | Ed Royce (R) 66.8% Christina Avalos (D) 33.2% |
| California 43 | Joe Baca | Democratic | 1999 | Re-elected | Joe Baca (D) 65.5% Scott Folkens (R) 34.5% |