Unofficial returns
96.3% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Doug LaMalfa (R) | 149,926 | 62.1% |
| Max Steiner (D) | 91,637 | 37.9% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Kevin Kiley (R) | 124,496 | 52.2% |
| Kermit Jones (D) | 114,135 | 47.8% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Mike Thompson (D) | 165,903 | 68.4% |
| Matt Brock (R) | 76,718 | 31.6% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Tom McClintock (R) | 167,228 | 61.3% |
| Mike Barkley (D) | 105,369 | 38.7% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Ami Bera (D) | 87,545 | 56.0% |
| Tamika Hamilton (R) | 68,774 | 44.0% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Doris Matsui (D) | 108,414 | 69.1% |
| Max Semenenko (R) | 48,535 | 30.9% |
100% reporting
| Candidate | Votes | Pct. |
|---|---|---|
| Josh Harder (D) | 93,084 | 54.9% |
| Tom Patti (R) | 76,504 | 45.1% |