| Seattle | 563,374 | 350 ft (107 m) | 84 sq mi (217.3 km²) |
| East Seattle | 480,100 | - | 217 sq mi (562.3 km²) |
| Spokane | 195,629 | 2,000 ft (610 m) | 58 sq mi (149.7 km²) |
| Tacoma | 193,556 | 380 ft (116 m) | 50 sq mi (129.8 km²) |
| Vancouver | 143,560 | 150 ft (46 m) | 43 sq mi (110.9 km²) |
| Bellevue | 109,569 | 100 ft (30 m) | 31 sq mi (79.5 km²) |
| Everett | 91,488 | 110 ft (34 m) | 33 sq mi (84.2 km²) |
| Federal Way | 83,259 | 500 ft (152 m) | 21 sq mi (54.4 km²) |
| Kent | 79,524 | 50 ft (15 m) | 28 sq mi (72.5 km²) |
| Yakima | 71,845 | 1,066 ft (325 m) | 20 sq mi (52.1 km²) |
| Bellingham | 67,171 | 100 ft (30 m) | 26 sq mi (66.3 km²) |
| Lakewood | 58,211 | 260 ft (79 m) | 17 sq mi (44.3 km²) |
| Kennewick | 54,693 | 400 ft (122 m) | 23 sq mi (59.3 km²) |
| Enumclaw Plateau | 53,853 | - | 559 sq mi (1448.1 km²) |
| Shoreline | 53,025 | - | 12 sq mi (30.3 km²) |
| Issaquah Plateau | 50,237 | - | 80 sq mi (206.9 km²) |
| Renton | 50,052 | 15 ft (5 m) | 17 sq mi (44.0 km²) |
| Redmond | 45,256 | 30 ft (9 m) | 16 sq mi (41.2 km²) |
| Kirkland | 45,054 | 180 ft (55 m) | 11 sq mi (27.7 km²) |
| Gig Harbor Peninsula | 42,763 | - | 55 sq mi (142.2 km²) |
| Olympia | 42,514 | 130 ft (40 m) | 17 sq mi (43.3 km²) |
| Auburn | 40,314 | 85 ft (26 m) | 21 sq mi (55.2 km²) |
| Edmonds | 39,515 | 120 ft (37 m) | 9 sq mi (23.1 km²) |
| Richland | 38,708 | 359 ft (109 m) | 35 sq mi (90.1 km²) |
| Bremerton | 37,259 | 100 ft (30 m) | 23 sq mi (58.8 km²) |
| Snoqualmie Valley | 36,893 | - | 900 sq mi (2330.7 km²) |
| Seattle Hill-Silver Firs | 35,311 | - | 14 sq mi (36.3 km²) |
| North Whidbey | 34,737 | - | 57 sq mi (147.6 km²) |
| Longview | 34,660 | 21 ft (6 m) | 14 sq mi (35.5 km²) |
| Cascade-Fairwood | 34,580 | - | 9 sq mi (23.0 km²) |
| Sammamish | 34,104 | 54 ft (16 m) | 18 sq mi (46.9 km²) |
| Lynnwood | 33,847 | 370 ft (113 m) | 8 sq mi (19.8 km²) |
| Puyallup | 33,011 | 40 ft (12 m) | 12 sq mi (31.3 km²) |
| Pasco | 32,066 | 383 ft (117 m) | 28 sq mi (72.8 km²) |
| Burien | 31,881 | 250 ft (76 m) | 7 sq mi (19.3 km²) |
| South Hill | 31,623 | - | 18 sq mi (46.6 km²) |
| Lacey | 31,226 | 190 ft (58 m) | 16 sq mi (41.2 km²) |
| Bothell | 30,150 | 90 ft (27 m) | 12 sq mi (31.3 km²) |
| University Place | 29,933 | 220 ft (67 m) | 8 sq mi (21.7 km²) |
| Walla Walla | 29,686 | 1,000 ft (305 m) | 11 sq mi (28.0 km²) |
| Thurston South | 29,376 | - | 379 sq mi (982.4 km²) |
| East Hill-Meridian | 29,308 | - | 9 sq mi (23.1 km²) |
| Des Moines | 29,267 | 100 ft (30 m) | 6 sq mi (16.4 km²) |
| Wenatchee | 27,856 | 780 ft (238 m) | 7 sq mi (17.8 km²) |
| Mount Vernon | 26,232 | 180 ft (55 m) | 11 sq mi (28.7 km²) |
| North Creek | 25,742 | - | 14 sq mi (35.2 km²) |
| SeaTac | 25,496 | 350 ft (107 m) | 10 sq mi (25.8 km²) |
| Marysville | 25,315 | 20 ft (6 m) | 10 sq mi (24.8 km²) |
| Opportunity | 25,065 | 2,020 ft (616 m) | 7 sq mi (17.3 km²) |
| Pullman | 24,675 | 2,400 ft (732 m) | 9 sq mi (23.3 km²) |
| Paine Field-Lake Stickney | 24,383 | - | 7 sq mi (19.1 km²) |
| Olympia East | 24,345 | - | 70 sq mi (182.1 km²) |
| Cottage Lake | 24,330 | - | 23 sq mi (59.1 km²) |
| Parkland | 24,053 | 330 ft (101 m) | 7 sq mi (19.1 km²) |
| Picnic Point-North Lynnwood | 22,953 | - | 7 sq mi (19.1 km²) |
| Inglewood-Finn Hill | 22,661 | - | 6 sq mi (15.0 km²) |
| Mercer Island | 22,036 | 75 ft (23 m) | 6 sq mi (16.5 km²) |
| Spanaway | 21,588 | 370 ft (113 m) | 8 sq mi (21.6 km²) |
| North Marysville | 21,161 | - | 14 sq mi (35.5 km²) |
| White Center | 20,975 | 400 ft (122 m) | 3 sq mi (8.8 km²) |
| Mountlake Terrace | 20,362 | 440 ft (134 m) | 4 sq mi (10.5 km²) |
| Bainbridge Island | 20,308 | - | 28 sq mi (71.5 km²) |
| Oak Harbor | 19,795 | 120 ft (37 m) | 9 sq mi (23.6 km²) |
| Fort Lewis | 19,089 | - | 15 sq mi (39.6 km²) |
| Kenmore | 18,678 | 40 ft (12 m) | 6 sq mi (16.0 km²) |
| Port Angeles | 18,397 | 32 ft (10 m) | 10 sq mi (26.2 km²) |
| West Lake Stevens | 18,071 | - | 10 sq mi (25.1 km²) |
| Mukilteo | 18,019 | 100 ft (30 m) | 6 sq mi (16.4 km²) |
| Orchards | 17,852 | 230 ft (70 m) | 7 sq mi (17.8 km²) |
| Tukwila | 17,181 | 134 ft (41 m) | 9 sq mi (23.1 km²) |
| Salmon Creek | 16,767 | 180 ft (55 m) | 6 sq mi (16.2 km²) |
| Aberdeen | 16,461 | 10 ft (3 m) | 11 sq mi (27.5 km²) |
| Olympia West | 16,454 | - | 153 sq mi (395.2 km²) |
| Silverdale | 15,816 | 60 ft (18 m) | 7 sq mi (18.0 km²) |
| Elk Plain | 15,697 | - | 10 sq mi (24.8 km²) |
| Ellensburg | 15,414 | 1,540 ft (469 m) | 7 sq mi (17.1 km²) |
| Alderwood Manor | 15,329 | 360 ft (110 m) | 5 sq mi (12.4 km²) |
| Lakeland North | 15,085 | - | 5 sq mi (13.8 km²) |
| Moses Lake | 14,953 | 1,060 ft (323 m) | 10 sq mi (26.4 km²) |
| Centralia | 14,742 | 189 ft (58 m) | 7 sq mi (19.2 km²) |
| Anacortes | 14,557 | 100 ft (30 m) | 12 sq mi (30.6 km²) |
| Maple Valley | 14,209 | 343 ft (105 m) | 5 sq mi (14.1 km²) |
| Discovery Bay | 14,069 | 40 ft (12 m) | 71 sq mi (182.9 km²) |
| Bryn Mawr-Skyway | 13,977 | - | 3 sq mi (8.2 km²) |
| Sunnyside | 13,905 | - | 6 sq mi (15.4 km²) |
| Monroe | 13,795 | 55 ft (17 m) | 6 sq mi (15.0 km²) |
| Covington | 13,783 | 352 ft (107 m) | 6 sq mi (14.9 km²) |
| East Wenatchee Bench | 13,658 | - | 8 sq mi (21.8 km²) |
| Lower Peninsula | 13,522 | - | 69 sq mi (179.2 km²) |
| Camano | 13,347 | 47 ft (14 m) | 40 sq mi (103.1 km²) |
| East Renton Highlands | 13,264 | - | 13 sq mi (32.6 km²) |
| Lake Forest Park | 13,142 | 80 ft (24 m) | 4 sq mi (9.2 km²) |
| Tumwater | 12,698 | 220 ft (67 m) | 10 sq mi (25.8 km²) |
| South Whidbey | 12,662 | - | 59 sq mi (152.8 km²) |
| Martha Lake | 12,633 | - | 5 sq mi (12.3 km²) |
| Camas | 12,534 | - | 11 sq mi (28.2 km²) |
| Kingsgate | 12,222 | 295 ft (90 m) | 2 sq mi (6.0 km²) |
| Five Corners | 12,207 | - | 6 sq mi (16.0 km²) |
| Kelso | 11,895 | 80 ft (24 m) | 8 sq mi (20.9 km²) |
| Northwest Benton | 11,877 | - | 352 sq mi (912.2 km²) |
| Arlington | 11,713 | 120 ft (37 m) | 8 sq mi (19.6 km²) |
| Prairie Ridge | 11,688 | - | 4 sq mi (11.0 km²) |
| Mill Creek | 11,525 | 380 ft (116 m) | 4 sq mi (9.2 km²) |
| Lakeland South | 11,436 | - | 5 sq mi (14.0 km²) |
| Union Hill-Novelty Hill | 11,265 | - | 24 sq mi (62.9 km²) |
| Issaquah | 11,212 | 100 ft (30 m) | 8 sq mi (21.8 km²) |
| Riverton-Boulevard Park | 11,188 | - | 3 sq mi (7.1 km²) |
| Southern Slopes | 11,121 | - | 636 sq mi (1645.9 km²) |
| Enumclaw | 11,116 | 720 ft (219 m) | 4 sq mi (10.1 km²) |
| South Shore | 10,977 | - | 116 sq mi (300.7 km²) |
| Lea Hill | 10,871 | - | 6 sq mi (15.2 km²) |
| Central Whidbey | 10,812 | - | 53 sq mi (136.2 km²) |
| West Valley | 10,433 | - | 7 sq mi (18.6 km²) |
| Vashon Island | 10,123 | - | 37 sq mi (95.8 km²) |
| Vashon | 10,123 | 375 ft (114 m) | 37 sq mi (95.8 km²) |
| Dishman | 10,031 | 1,990 ft (607 m) | 3 sq mi (8.8 km²) |