Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Tacoma (city), WA | 219,346 |
| 2 | South Hill (CDP), WA | 64,708 |
| 3 | Lakewood (city), WA | 63,612 |
| 4 | Puyallup (city), WA | 42,973 |
| 5 | Parkland (CDP), WA | 38,623 |
| 6 | Spanaway (CDP), WA | 35,476 |
| 7 | University Place (city), WA | 34,866 |
| 8 | Graham (CDP), WA | 32,658 |
| 9 | Frederickson (CDP), WA | 24,906 |
| 10 | Elk Plain (CDP), WA | 14,534 |
| 11 | Fort Lewis (CDP), WA | 14,052 |
| 12 | Edgewood (city), WA | 12,327 |
| 13 | Fife (city), WA | 10,999 |
| 14 | Sumner (city), WA | 10,621 |
| 15 | Midland (CDP), WA | 9,962 |
| 16 | Summit View (CDP), WA | 9,758 |
| 17 | Orting (city), WA | 9,041 |
| 18 | Milton (city), WA | 8,697 |
| 19 | Summit (CDP), WA | 8,270 |
| 20 | Waller (CDP), WA | 8,189 |