| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Dabob | city | Washington | United States | 47.85 | -122.80 | 72 | |
| Dahlia | city | Washington | United States | 46.26 | -123.61 | 0 | |
| Daisy | city | Washington | United States | 48.36 | -118.16 | 1669 | |
| Dalkena | city | Washington | United States | 48.24 | -117.24 | 2509 | |
| Dallesport | city | Washington | United States | 45.62 | -121.18 | 183 | |
| Danville | city | Washington | United States | 48.99 | -118.51 | 1814 | |
| Danville | city | Washington | United States | 47.36 | -122.03 | 830 | |
| Darknell | city | Washington | United States | 47.43 | -117.17 | 2637 | |
| Darlington | city | Washington | United States | 47.95 | -122.27 | 400 | |
| Darrington | city | Washington | United States | 48.26 | -121.60 | 830 | |
| Darrington Mobile Home Park 1 | city | Washington | United States | 48.26 | -121.61 | 830 | |
| Darrington Mobile Home Park 2 | city | Washington | United States | 48.25 | -121.61 | 830 | |
| Dartford | city | Washington | United States | 47.78 | -117.42 | 1732 | |
| Dash Point | city | Washington | United States | 47.32 | -122.43 | 347 | |
| Davenport | city | Washington | United States | 47.65 | -118.15 | 2509 | |
| Davin | city | Washington | United States | 46.61 | -118.32 | 830 | |
| Davis | city | Washington | United States | 46.66 | -123.43 | 830 | |
| Davis Terrace | city | Washington | United States | 46.13 | -122.90 | 167 | |
| Dawn Lee Mobile Home Court | city | Washington | United States | 47.52 | -120.50 | 964 | |
| Day City (historical) | city | Washington | United States | 47.77 | -122.16 | 200 | |
| Day Creek | city | Washington | United States | 48.50 | -122.07 | 177 | |
| Dayton | city | Washington | United States | 47.23 | -123.23 | 374 | |
| Dayton | city | Washington | United States | 45.93 | -122.53 | 400 | |
| Dayton | city | Washington | United States | 46.32 | -117.97 | 1683 | |
| Dean Manor | city | Washington | United States | 48.22 | -122.69 | 137 | |
| Decatur | city | Washington | United States | 48.50 | -122.82 | 3 | |
| Deckerville | city | Washington | United States | 47.23 | -123.47 | 400 | |
| Deep Creek | city | Washington | United States | 47.64 | -117.71 | 2509 | |
| Deep River | city | Washington | United States | 46.35 | -123.69 | 200 | |
| Deer Harbor | city | Washington | United States | 48.62 | -123.00 | 0 | |
| Deer Park | city | Washington | United States | 47.95 | -117.48 | 2509 | |
| Deer Run Mobile Home Park | city | Washington | United States | 47.07 | -122.25 | 830 | |
| Deer Trail | city | Washington | United States | 48.03 | -118.10 | 4189 | |
| Deer Valley | city | Washington | United States | 48.18 | -117.30 | 2509 | |
| Delaney | city | Washington | United States | 46.51 | -117.97 | 997 | |
| Delano Heights | city | Washington | United States | 47.93 | -119.02 | 2096 | |
| Delkena | city | Washington | United States | 48.25 | -117.24 | 2060 | |
| Delphi | city | Washington | United States | 46.98 | -123.02 | 193 | |
| Delray Mobile Home Park | city | Washington | United States | 47.34 | -122.33 | 295 | |
| Delridge | city | Washington | United States | 47.55 | -122.37 | 200 | |
| Delta | city | Washington | United States | 48.98 | -122.52 | 167 | |
| Delta Junction | city | Washington | United States | 48.01 | -122.19 | 36 | |
| Deming | city | Washington | United States | 48.83 | -122.22 | 252 | |
| Denison | city | Washington | United States | 47.91 | -117.44 | 2001 | |
| Denny Creek | city | Washington | United States | 47.41 | -121.44 | 2634 | |
| Denny Regrade | city | Washington | United States | 47.62 | -122.34 | 193 | |
| Depot Village Mobile Home Park | city | Washington | United States | 47.74 | -121.99 | 111 | |
| Des Moines | city | Washington | United States | 47.40 | -122.32 | 75 | |
| Des Moines Estates Mobile Home Park | city | Washington | United States | 47.42 | -122.30 | 390 | |
| DesMoines | city | Washington | United States | 47.40 | -122.32 | 75 | |
| Desert Aire | city | Washington | United States | 46.68 | -119.92 | 830 | |
| Detroit (historical) | city | Washington | United States | 47.34 | -122.83 | 22 | |
| Dewatto | city | Washington | United States | 47.45 | -123.07 | 226 | |
| Dewey | city | Washington | United States | 48.79 | -122.43 | 226 | |
| Dewey | city | Washington | United States | 48.43 | -122.61 | 0 | |
| Dexter by the Sea | city | Washington | United States | 46.72 | -124.01 | 32 | |
| Diablo | city | Washington | United States | 48.71 | -121.14 | 1000 | |
| Diamond | city | Washington | United States | 46.92 | -117.49 | 2509 | |
| Diamond City | city | Washington | United States | 48.62 | -117.29 | 2598 | |
| Diamond Lake | city | Washington | United States | 48.12 | -117.20 | 2509 | |
| Dieringer | city | Washington | United States | 47.24 | -122.23 | 324 | |
| Dilworth | city | Washington | United States | 47.47 | -122.44 | 0 | |
| Diru Mobile Home Park | city | Washington | United States | 47.19 | -122.41 | 301 | |
| Disautel | city | Washington | United States | 48.36 | -119.24 | 2598 | |
| Discovery Bay | city | Washington | United States | 47.99 | -122.89 | 180 | |
| Discovery Junction | city | Washington | United States | 47.99 | -122.87 | 393 | |
| Dishman | city | Washington | United States | 47.66 | -117.28 | 1998 | |
| Disque | city | Washington | United States | 48.14 | -123.77 | 400 | |
| Dixie | city | Washington | United States | 46.14 | -118.16 | 1669 | |
| Dixie Crossing | city | Washington | United States | 46.09 | -118.47 | 830 | |
| Dockton | city | Washington | United States | 47.37 | -122.46 | 52 | |
| Dodge | city | Washington | United States | 46.52 | -117.82 | 1669 | |
| Dodson Mobile Home Park | city | Washington | United States | 48.95 | -122.42 | 78 | |
| Doe Bay | city | Washington | United States | 48.64 | -122.78 | 0 | |
| Dole | city | Washington | United States | 45.78 | -122.34 | 971 | |
| Dollar Corner | city | Washington | United States | 45.78 | -122.60 | 232 | |
| Dolphin | city | Washington | United States | 48.65 | -122.91 | 200 | |
| Domke Lake Resort | city | Washington | United States | 48.18 | -120.59 | 2509 | |
| Don Juan Mobile Home Park | city | Washington | United States | 47.28 | -122.22 | 387 | |
| Donahue | city | Washington | United States | 47.21 | -117.36 | 2509 | |
| Donald | city | Washington | United States | 46.48 | -120.40 | 882 | |
| Doran | city | Washington | United States | 48.68 | -122.20 | 390 | |
| Doris | city | Washington | United States | 46.87 | -120.01 | 1164 | |
| Dorre Don | city | Washington | United States | 47.40 | -122.03 | 400 | |
| Dot | city | Washington | United States | 45.87 | -120.35 | 2509 | |
| Doty | city | Washington | United States | 46.63 | -123.28 | 400 | |
| Double A Mobile Manor | city | Washington | United States | 47.21 | -122.23 | 190 | |
| Douglas | city | Washington | United States | 47.62 | -120.00 | 2509 | |
| Downing | city | Washington | United States | 48.04 | -119.69 | 830 | |
| Downs | city | Washington | United States | 47.37 | -118.40 | 1998 | |
| Driftwood Acres | city | Washington | United States | 47.27 | -121.07 | 2509 | |
| Driftwood Mobile Home Park | city | Washington | United States | 46.36 | -124.05 | 29 | |
| Driftwood Shores | city | Washington | United States | 48.19 | -122.47 | 0 | |
| Dry Falls Junction | city | Washington | United States | 47.63 | -119.33 | 1669 | |
| Dryad | city | Washington | United States | 46.64 | -123.25 | 410 | |
| Dryden | city | Washington | United States | 47.54 | -120.56 | 997 | |
| DuPont | city | Washington | United States | 47.10 | -122.63 | 295 | |
| Duckabush | city | Washington | United States | 47.65 | -122.93 | 0 | |
| Dukes Mobile Home Park | city | Washington | United States | 48.08 | -123.11 | 177 | |
| Dulwich | city | Washington | United States | 48.85 | -118.20 | 1669 | |
| Dumas | city | Washington | United States | 46.29 | -118.06 | 1715 | |
| Duncan | city | Washington | United States | 47.50 | -117.34 | 2509 | |
| Duncans Mobile Home Park | city | Washington | United States | 48.88 | -122.58 | 52 | |
| Dungeness | city | Washington | United States | 48.15 | -123.12 | 19 | |
| Dunlap | city | Washington | United States | 47.53 | -122.27 | 6 | |
| Durham | city | Washington | United States | 47.34 | -121.89 | 1046 | |
| Dusty | city | Washington | United States | 46.81 | -117.65 | 1781 | |
| Dutch Settlement | city | Washington | United States | 47.25 | -120.46 | 4189 | |
| Duvall | city | Washington | United States | 47.74 | -121.99 | 232 | |
| Duvall Highland Mobile Home Park | city | Washington | United States | 47.73 | -121.97 | 403 | |
| Duwamish | city | Washington | United States | 47.51 | -122.29 | 200 | |
| Dyer | city | Washington | United States | 47.98 | -119.77 | 2798 | |
| Dynamite | city | Washington | United States | 47.50 | -117.45 | 2509 |