| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| WA-01 | DEM | 426,862 | 58.5% | D+17.2 | |
| WA-02 | Rick LarsenDEM | DEM | 404,598 | 63.1% | D+26.4 |
| WA-03 | REP | 417,903 | 56.4% | R+13.0 | |
| WA-04 | REP | 305,263 | 66.2% | R+32.6 | |
| WA-05 | REP | 404,360 | 61.3% | R+22.8 | |
| WA-06 | DEM | 417,216 | 59.3% | D+18.9 | |
| WA-07 | DEM | 466,462 | 83.0% | D+66.2 | |
| WA-08 | Kim SchrierDEM | DEM | 412,112 | 51.7% | D+3.6 |
| WA-09 | Adam SmithDEM | DEM | 349,050 | 74.1% | D+48.4 |
| WA-10 | DEM | 340,407 | 49.3% | D+84.9 |