Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Seattle (city), WA | 737,015 |
| 2 | Bellevue (city), WA | 151,854 |
| 3 | Everett (city), WA | 110,629 |
| 4 | Kirkland (city), WA | 92,175 |
| 5 | Redmond (city), WA | 73,256 |
| 6 | Marysville (city), WA | 70,714 |
| 7 | Shoreline (city), WA | 58,608 |
| 8 | Bothell (city), WA | 48,161 |
| 9 | Edmonds (city), WA | 42,853 |
| 10 | Issaquah (city), WA | 40,051 |
| 11 | Lynnwood (city), WA | 38,568 |
| 12 | Lake Stevens (city), WA | 35,630 |
| 13 | Mercer Island (city), WA | 25,748 |
| 14 | Mill Creek East (CDP), WA | 24,912 |
| 15 | Eastmont (CDP), WA | 24,059 |
| 16 | Kenmore (city), WA | 23,914 |
| 17 | Cottage Lake (CDP), WA | 22,857 |
| 18 | North Lynnwood (CDP), WA | 22,802 |
| 19 | Silver Firs (CDP), WA | 22,174 |
| 20 | Bothell West (CDP), WA | 22,015 |