| Community | Population | Elevation |
|---|---|---|
| Auburn | 55,426 | 82 ft. |
| Bellevue | 123,771 | 85 ft. |
| Bellingham | 78,905 | 68 ft. |
| Bremerton | 36,006 | 36 ft. |
| Everett | 98,212 | 82 ft. |
| Federal Way | 84,309 | 462 ft. |
| Kent | 83,978 | 42 ft. |
| Longview | 36,562 | 19 ft. |
| Mount Vernon | 31,513 | 95 ft. |
| Pasco | 55,246 | 387 ft. |
| Seattle | 598,541 | 177 ft. |
| Spokane | 202,319 | 1,873 ft. |
| Tacoma | 197,181 | 246 ft. |
| Vancouver | 163,186 | 170 ft. |