| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| WA-01 | DEM | 286,684 | 63.5% | D+27.1 | |
| WA-02 | Rick LarsenDEM | DEM | 337,923 | 60.1% | D+20.3 |
| WA-03 | DEM | 319,759 | 50.1% | D+0.8 | |
| WA-04 | REP | 226,647 | 66.5% | R+35.3 | |
| WA-05 | REP | 317,006 | 59.5% | R+19.3 | |
| WA-06 | DEM | 347,873 | 60.0% | D+20.1 | |
| WA-07 | DEM | 346,647 | 85.4% | D+71.2 | |
| WA-08 | Kim SchrierDEM | DEM | 336,038 | 53.3% | D+6.8 |
| WA-09 | Adam SmithDEM | DEM | 239,848 | 71.6% | D+43.4 |
| WA-10 | DEM | 267,748 | 57.0% | D+14.1 |