| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| T Bridge Corner | city | Washington | United States | 47.97 | -117.48 | 2509 | |
| Tacoma | city | Washington | United States | 47.25 | -122.44 | 101 | |
| Tacoma Country Estates Mobile Home Park | city | Washington | United States | 47.23 | -122.38 | 190 | |
| Tacoma Junction | city | Washington | United States | 47.24 | -122.39 | 144 | |
| Tahlequah | city | Washington | United States | 47.33 | -122.51 | 0 | |
| Taholah | city | Washington | United States | 47.35 | -124.29 | 3 | |
| Tahoma | city | Washington | United States | 47.39 | -122.01 | 830 | |
| Tahuya | city | Washington | United States | 47.37 | -123.06 | 0 | |
| Tall Cedars Mobile Court | city | Washington | United States | 47.28 | -122.22 | 200 | |
| Tall Firs Estates Mobile Home Park | city | Washington | United States | 47.08 | -122.32 | 830 | |
| Tally Ho Mobile Home Park | city | Washington | United States | 47.84 | -122.30 | 830 | |
| Tamill | city | Washington | United States | 47.51 | -122.25 | 216 | |
| Tampico | city | Washington | United States | 46.54 | -120.87 | 2509 | |
| Tanglewilde | city | Washington | United States | 47.05 | -122.78 | 200 | |
| Tanner | city | Washington | United States | 47.48 | -121.75 | 830 | |
| Tanwax | city | Washington | United States | 47.00 | -122.24 | 830 | |
| Tasker | city | Washington | United States | 46.70 | -120.74 | 1830 | |
| Taylor Towne Manor Mobile Home Park | city | Washington | United States | 47.14 | -123.09 | 170 | |
| Teanaway | city | Washington | United States | 47.17 | -120.86 | 1853 | |
| Tekoa | city | Washington | United States | 47.22 | -117.07 | 2598 | |
| Telford | city | Washington | United States | 47.69 | -118.41 | 2509 | |
| Telma | city | Washington | United States | 47.84 | -120.82 | 2043 | |
| Template:Vandalism | city | Washington | United States | 45.64 | -122.66 | 196 | |
| Tenino | city | Washington | United States | 46.86 | -122.85 | 400 | |
| Tenmile | city | Washington | United States | 48.87 | -122.45 | 75 | |
| Terrace Heights | city | Washington | United States | 46.61 | -120.44 | 1184 | |
| Terrace Park | city | Washington | United States | 47.40 | -120.26 | 984 | |
| Terry Mobile Park | city | Washington | United States | 48.21 | -122.69 | 75 | |
| Terrys Corner | city | Washington | United States | 48.24 | -122.46 | 108 | |
| Teske | city | Washington | United States | 47.07 | -118.15 | 1742 | |
| Thatcher | city | Washington | United States | 48.55 | -122.82 | 282 | |
| Thavis | city | Washington | United States | 46.96 | -118.22 | 1669 | |
| The Firs Mobile Home Park | city | Washington | United States | 47.42 | -122.29 | 351 | |
| The Highlands | city | Washington | United States | 47.74 | -122.37 | 400 | |
| The Lakes Mobile Home Park | city | Washington | United States | 47.39 | -122.60 | 262 | |
| The Maples Mobile Home Park | city | Washington | United States | 47.19 | -122.40 | 278 | |
| The Ridge Mobile Home Park | city | Washington | United States | 47.05 | -122.31 | 830 | |
| The River Mobile Estates | city | Washington | United States | 47.34 | -122.21 | 154 | |
| Theon (historical) | city | Washington | United States | 46.15 | -117.10 | 3349 | |
| Thera | city | Washington | United States | 46.94 | -117.55 | 1991 | |
| Thiel | city | Washington | United States | 46.14 | -118.49 | 830 | |
| Thomas | city | Washington | United States | 46.04 | -118.15 | 1896 | |
| Thomas | city | Washington | United States | 47.35 | -122.23 | 131 | |
| Thomas Place Mobile Home Park | city | Washington | United States | 47.88 | -122.18 | 403 | |
| Thompson (historical) | city | Washington | United States | 48.14 | -119.75 | 1669 | |
| Thompson Place | city | Washington | United States | 47.06 | -122.78 | 200 | |
| Thornton | city | Washington | United States | 47.12 | -117.39 | 2509 | |
| Thornwood | city | Washington | United States | 48.58 | -122.23 | 262 | |
| Thorp | city | Washington | United States | 47.07 | -120.67 | 1797 | |
| Thrall | city | Washington | United States | 46.93 | -120.51 | 1669 | |
| Thrashers Corner | city | Washington | United States | 47.81 | -122.21 | 200 | |
| Three Lakes | city | Washington | United States | 47.94 | -122.01 | 830 | |
| Three Ponds Mobile Home Park | city | Washington | United States | 47.02 | -122.38 | 830 | |
| Three Rivers Mobile Home Park | city | Washington | United States | 47.83 | -122.05 | 200 | |
| Thrift | city | Washington | United States | 47.05 | -122.25 | 830 | |
| Thunderbird Mobile Home Park | city | Washington | United States | 47.82 | -122.23 | 262 | |
| Tieton | city | Washington | United States | 46.70 | -120.76 | 1935 | |
| Tietonview Grange | city | Washington | United States | 46.59 | -120.71 | 1669 | |
| Tiflis | city | Washington | United States | 47.07 | -119.06 | 1187 | |
| Tiger | city | Washington | United States | 48.69 | -117.41 | 2037 | |
| Tiger Mountain Mobile Home Park | city | Washington | United States | 47.48 | -122.02 | 393 | |
| Tillicum | city | Washington | United States | 47.12 | -122.56 | 298 | |
| Timberland Village Mobile Home Park | city | Washington | United States | 46.69 | -123.75 | 200 | |
| Timberlane | city | Washington | United States | 47.37 | -122.08 | 830 | |
| Timberline Mobile Home Park | city | Washington | United States | 48.54 | -121.87 | 200 | |
| Timberline Mobile Home Village | city | Washington | United States | 47.86 | -121.81 | 200 | |
| Tire Junction | city | Washington | United States | 46.10 | -121.72 | 3549 | |
| Titlow | city | Washington | United States | 47.25 | -122.55 | 150 | |
| Tokeland | city | Washington | United States | 46.71 | -123.98 | 0 | |
| Tokio | city | Washington | United States | 47.21 | -118.27 | 1899 | |
| Tokul | city | Washington | United States | 47.56 | -121.82 | 830 | |
| Toledo | city | Washington | United States | 46.44 | -122.85 | 200 | |
| Tolo | city | Washington | United States | 47.65 | -122.59 | 98 | |
| Tompkins | city | Washington | United States | 46.46 | -118.37 | 1669 | |
| Tonasket | city | Washington | United States | 48.71 | -119.44 | 898 | |
| Tono | city | Washington | United States | 46.78 | -122.82 | 400 | |
| Toppenish | city | Washington | United States | 46.38 | -120.31 | 830 | |
| Torboy | city | Washington | United States | 48.68 | -118.66 | 2509 | |
| Toroda | city | Washington | United States | 48.94 | -118.76 | 1998 | |
| Totem Park | city | Washington | United States | 48.16 | -122.18 | 137 | |
| Touchet | city | Washington | United States | 46.04 | -118.67 | 830 | |
| Touhey | city | Washington | United States | 47.75 | -119.71 | 2509 | |
| Toutle | city | Washington | United States | 46.32 | -122.74 | 830 | |
| Towal | city | Washington | United States | 45.75 | -120.60 | 200 | |
| Town and Country | city | Washington | United States | 47.73 | -117.42 | 2063 | |
| Town and Country Mobile Home Park | city | Washington | United States | 48.31 | -122.65 | 88 | |
| Town and Country Mobile Home Park | city | Washington | United States | 48.54 | -123.03 | 19 | |
| Town and Country Mobile Manor | city | Washington | United States | 47.21 | -122.28 | 177 | |
| Town and Country Villa Mobile Home Park | city | Washington | United States | 47.42 | -122.30 | 390 | |
| Town's Mobile Home Park | city | Washington | United States | 47.52 | -120.47 | 997 | |
| Tracy | city | Washington | United States | 46.08 | -118.19 | 1669 | |
| Tracyton | city | Washington | United States | 47.61 | -122.66 | 65 | |
| Trafton | city | Washington | United States | 48.24 | -122.06 | 255 | |
| Trailer Lane Mobile Park | city | Washington | United States | 47.79 | -122.34 | 400 | |
| Treemont | city | Washington | United States | 47.63 | -122.62 | 377 | |
| Trentwood | city | Washington | United States | 47.70 | -117.21 | 2083 | |
| Trikkala | city | Washington | United States | 47.63 | -122.61 | 295 | |
| Trinidad | city | Washington | United States | 47.23 | -120.00 | 830 | |
| Trinity | city | Washington | United States | 48.07 | -120.85 | 2798 | |
| Triton | city | Washington | United States | 47.60 | -122.99 | 39 | |
| Trout Lake | city | Washington | United States | 46.00 | -121.53 | 1883 | |
| Trude | city | Washington | United States | 47.39 | -121.93 | 830 | |
| Tsoo-Yess | city | Washington | United States | 48.30 | -124.66 | 0 | |
| Tucannon | city | Washington | United States | 46.49 | -117.96 | 997 | |
| Tukey | city | Washington | United States | 48.05 | -122.84 | 0 | |
| Tukwila | city | Washington | United States | 47.47 | -122.26 | 200 | |
| Tulalip | city | Washington | United States | 48.07 | -122.29 | 0 | |
| Tulalip Bay | city | Washington | United States | 48.04 | -122.31 | 0 | |
| Tulare Beach | city | Washington | United States | 48.10 | -122.34 | 0 | |
| Tulips | city | Washington | United States | 47.07 | -124.04 | 85 | |
| Tulker | city | Washington | United States | 48.28 | -121.77 | 400 | |
| Tumtum | city | Washington | United States | 47.89 | -117.68 | 1669 | |
| Tumwater | city | Washington | United States | 47.01 | -122.91 | 104 | |
| Turk | city | Washington | United States | 48.05 | -118.11 | 3372 | |
| Turner | city | Washington | United States | 46.41 | -117.85 | 2509 | |
| Turner Corner | city | Washington | United States | 47.80 | -122.14 | 301 | |
| Tweedie | city | Washington | United States | 48.09 | -117.05 | 2509 | |
| Twin | city | Washington | United States | 48.16 | -123.95 | 62 | |
| Twin Cedar Mobile Park | city | Washington | United States | 48.07 | -122.17 | 26 | |
| Twin Cedars Mobile Home Park | city | Washington | United States | 47.27 | -122.30 | 298 | |
| Twin Creek Mobile Home Park | city | Washington | United States | 47.81 | -122.21 | 200 | |
| Twin Firs Mobile Home Park | city | Washington | United States | 47.07 | -122.42 | 400 | |
| Twin Flags Mobile Home Community | city | Washington | United States | 47.20 | -122.27 | 183 | |
| Twin Oaks Mobile Home Park | city | Washington | United States | 47.18 | -122.48 | 298 | |
| Twin Peaks Manor Mobile Home Park | city | Washington | United States | 47.44 | -120.34 | 830 | |
| Twin Spits | city | Washington | United States | 47.93 | -122.61 | 0 | |
| Twisp | city | Washington | United States | 48.36 | -120.12 | 1719 | |
| Two Rivers | city | Washington | United States | 46.14 | -118.94 | 344 | |
| Tyee Beach | city | Washington | United States | 48.09 | -122.39 | 55 | |
| Tyee Mobile Park | city | Washington | United States | 47.19 | -122.41 | 301 | |
| Tyee Valley Mobile Manor | city | Washington | United States | 47.42 | -122.30 | 390 | |
| Tyler | city | Washington | United States | 47.44 | -117.78 | 2509 |