68 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seattle | 1 | 764,753 | 740,565 | 0.64% | 9,104 | 84 | City |
| Bellevue | 2 | 151,436 | 151,780 | -0.05% | 4,525 | 33.47 | City |
| Kent | 3 | 131,235 | 136,592 | -0.81% | 3,879 | 33.83 | City |
| Renton | 4 | 103,005 | 106,719 | -0.72% | 4,376 | 23.54 | City |
| Federal Way | 5 | 95,509 | 100,988 | -1.13% | 4,277 | 22.33 | City |
| Kirkland | 6 | 90,164 | 92,739 | -0.57% | 5,064 | 17.81 | City |
| Redmond | 7 | 84,897 | 73,354 | 2.8% | 5,124 | 16.57 | City |
| Auburn | 8 | 81,754 | 87,043 | -1.28% | 2,764 | 29.58 | City |
| Sammamish | 9 | 63,564 | 67,444 | -1.21% | 3,112 | 20.43 | City |
| Shoreline | 10 | 63,045 | 58,815 | 1.36% | 5,419 | 11.63 | City |
| Bothell | 11 | 51,575 | 48,169 | 1.34% | 3,783 | 13.63 | City |
| Burien | 12 | 49,890 | 51,989 | -0.83% | 4,970 | 10.04 | City |
| Issaquah | 13 | 38,232 | 40,094 | -0.96% | 3,152 | 12.13 | City |
| SeaTac | 14 | 32,075 | 31,384 | 0.43% | 3,187 | 10.06 | City |
| Des Moines | 15 | 31,388 | 32,887 | -0.95% | 4,894 | 6.41 | City |
| Maple Valley | 16 | 28,666 | 28,085 | 0.41% | 4,774 | 6 | City |
| Union Hill-Novelty Hill | 17 | 24,265 | 23,114 | 1.52% | 1,001 | 24.24 | CDP |
| Mercer Island | 18 | 24,072 | 25,747 | -1.37% | 3,771 | 6.38 | City |
| Cottage Lake | 19 | 23,418 | 23,239 | 0.27% | 1,030 | 22.74 | CDP |
| Kenmore | 20 | 23,057 | 23,891 | -0.72% | 3,747 | 6.15 | City |
| Covington | 21 | 21,299 | 20,863 | 0.41% | 3,591 | 5.93 | City |
| Tukwila | 22 | 20,722 | 21,754 | -0.98% | 2,256 | 9.19 | City |
| Bryn Mawr-Skyway | 23 | 18,629 | 17,643 | 1.08% | 6,527 | 2.85 | CDP |
| Fairwood | 24 | 18,490 | 19,400 | -0.22% | 3,898 | 4.74 | CDP |
| White Center | 25 | 15,975 | 15,995 | 1.04% | 7,022 | 2.27 | CDP |
| Lakeland North | 26 | 15,464 | 14,042 | 1.1% | 4,814 | 3.21 | CDP |
| Woodinville | 27 | 13,882 | 13,472 | 0.59% | 2,472 | 5.62 | City |
| Edgewood | 28 | 13,820 | 12,412 | 2.08% | 1,648 | 8.38 | City |
| Snoqualmie | 29 | 13,052 | 14,084 | -1.55% | 1,819 | 7.18 | City |
| Lakeland South | 30 | 12,864 | 12,467 | 0.67% | 2,625 | 4.90 | CDP |
| Enumclaw | 31 | 12,746 | 12,623 | 0.2% | 2,463 | 5.18 | City |
| Lake Forest Park | 32 | 12,606 | 13,606 | -1.56% | 3,584 | 3.52 | City |
| Newcastle | 33 | 12,505 | 13,144 | -1.01% | 2,820 | 4.43 | City |
| East Renton Highlands | 34 | 12,314 | 12,576 | 0.64% | 1,109 | 11.10 | CDP |
| Vashon | 35 | 11,018 | 10,400 | 0.24% | 298 | 36.96 | CDP |
| Lake Morton-Berrydale | 36 | 10,531 | 11,118 | 0.24% | 855 | 12.32 | CDP |
| Fife | 37 | 10,495 | 11,064 | -1.07% | 1,799 | 5.83 | City |
| Duvall | 38 | 8,831 | 8,045 | 1.81% | 3,603 | 2.45 | City |
| North Bend | 39 | 8,777 | 7,504 | 2.99% | 2,019 | 4.35 | City |
| Black Diamond | 40 | 7,772 | 4,846 | 8.14% | 1,178 | 6.60 | City |
| Hobart | 41 | 7,388 | 7,031 | 1.05% | 393 | 18.80 | CDP |
| Pacific | 42 | 6,720 | 7,237 | -1.51% | 2,777 | 2.42 | City |
| Normandy Park | 43 | 6,371 | 6,760 | -1.21% | 2,563 | 2.49 | City |
| Mirrormont | 44 | 4,213 | 4,102 | 0.89% | 405 | 10.40 | CDP |
| Boulevard Park | 45 | 4,192 | 4,197 | -1.71% | 3,568 | 1.18 | CDP |
| Lake Holm | 46 | 3,761 | 3,332 | 0.97% | 450 | 8.36 | CDP |
| Maple Heights-Lake Desire | 47 | 3,507 | 3,544 | 0.69% | 862 | 4.07 | CDP |
| Algona | 48 | 3,128 | 3,285 | -0.98% | 2,421 | 1.29 | City |
| Clyde Hill | 49 | 3,043 | 3,128 | -0.56% | 2,884 | 1.05 | City |
| Medina | 50 | 2,789 | 2,918 | -0.92% | 1,944 | 1.44 | City |
| Carnation | 51 | 2,186 | 2,161 | 0.23% | 1,888 | 1.16 | City |
| Shadow Lake | 52 | 2,078 | 2,385 | -0.57% | 400 | 5.19 | CDP |
| Fall City | 53 | 2,024 | 2,357 | 0.1% | 713 | 2.84 | CDP |
| Riverbend | 54 | 2,018 | 2,521 | -0.39% | 676 | 2.98 | CDP |
| Wilderness Rim | 55 | 1,959 | 1,898 | 1.5% | 3,150 | 0.62 | CDP |
| Fife Heights | 56 | 1,432 | 1,919 | -3.18% | 1,458 | 0.98 | CDP |
| Lake Marcel-Stillwater | 57 | 1,426 | 1,346 | 0.71% | 1,117 | 1.28 | CDP |
| Browns Point | 58 | 1,371 | 961 | 7.11% | 3,377 | 0.41 | CDP |
| Riverpoint | 59 | 1,204 | 742 | 7.12% | 950 | 1.27 | CDP |
| Yarrow Point | 60 | 1,086 | 1,133 | -0.82% | 2,967 | 0.37 | Town |
| Ames Lake | 61 | 1,014 | 1,317 | -2.97% | 633 | 1.60 | CDP |
| Dash Point | 62 | 921 | 1,008 | -0.11% | 1,453 | 0.63 | CDP |
| Hunts Point | 63 | 440 | 455 | -0.68% | 1,433 | 0.31 | Town |
| Beaux Arts Village | 64 | 296 | 316 | -1.33% | 3,566 | 0.08 | Town |
| Baring | 65 | 203 | 205 | -0.49% | 195 | 1.04 | CDP |
| Ravensdale | 66 | 187 | 814 | -24.6% | 151 | 1.24 | CDP |
| Skykomish | 67 | 150 | 164 | -1.96% | 478 | 0.31 | Town |
| Greenwater | 68 | 121 | 77 | 7.08% | 83 | 1.45 | CDP |
Seattle is the largest city in King County, with a population of 764,753.
Greenwater is the smallest city in King County.
There are 68 cities in King County, Washington.