68 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seattle | 1 | 791,093 | 740,600 | 1.29% | 9,418 | 84 | City |
| Bellevue | 2 | 155,024 | 151,786 | 0.42% | 4,632 | 33 | City |
| Kent | 3 | 136,586 | 136,593 | 0% | 4,037 | 34 | City |
| Renton | 4 | 105,245 | 106,734 | -0.28% | 4,471 | 24 | City |
| Federal Way | 5 | 100,066 | 100,994 | -0.19% | 4,481 | 22 | City |
| Kirkland | 6 | 96,188 | 92,741 | 0.72% | 5,402 | 18 | City |
| Auburn | 7 | 85,130 | 87,045 | -0.45% | 2,878 | 30 | City |
| Redmond | 8 | 84,400 | 73,374 | 2.68% | 5,094 | 17 | City |
| Shoreline | 9 | 68,108 | 58,820 | 2.8% | 5,854 | 12 | City |
| Sammamish | 10 | 66,230 | 67,449 | -0.37% | 3,242 | 20 | City |
| Bothell | 11 | 52,669 | 48,174 | 1.74% | 3,863 | 14 | City |
| Burien | 12 | 52,058 | 51,996 | 0.02% | 5,186 | 10 | City |
| Issaquah | 13 | 39,554 | 40,103 | -0.28% | 3,261 | 12 | City |
| SeaTac | 14 | 34,683 | 31,387 | 1.94% | 3,446 | 10 | City |
| Des Moines | 15 | 33,286 | 32,889 | 0.24% | 5,190 | 6 | City |
| Maple Valley | 16 | 28,669 | 28,086 | 0.41% | 4,775 | 6 | City |
| Mercer Island | 17 | 25,190 | 25,750 | -0.44% | 3,946 | 6 | City |
| Union Hill-Novelty Hill | 18 | 24,265 | 23,114 | 1.52% | 1,001 | 24 | CDP |
| Kenmore | 19 | 24,234 | 23,894 | 0.28% | 3,938 | 6 | City |
| Cottage Lake | 20 | 23,418 | 23,239 | 0.27% | 1,030 | 23 | CDP |
| Covington | 21 | 21,743 | 20,862 | 0.82% | 3,665 | 6 | City |
| Tukwila | 22 | 21,608 | 21,748 | -0.13% | 2,353 | 9 | City |
| Bryn Mawr-Skyway | 23 | 18,629 | 17,643 | 1.08% | 6,527 | 3 | CDP |
| Fairwood | 24 | 18,490 | 19,400 | -0.22% | 3,898 | 5 | CDP |
| White Center | 25 | 15,975 | 15,995 | 1.04% | 7,022 | 2 | CDP |
| Lakeland North | 26 | 15,464 | 14,042 | 1.1% | 4,814 | 3 | CDP |
| Woodinville | 27 | 14,058 | 13,475 | 0.83% | 2,504 | 6 | City |
| Edgewood | 28 | 13,764 | 12,422 | 1.99% | 1,642 | 8 | City |
| Snoqualmie | 29 | 13,664 | 14,084 | -0.61% | 1,904 | 7 | City |
| Enumclaw | 30 | 13,311 | 12,620 | 1.05% | 2,572 | 5 | City |
| Lake Forest Park | 31 | 13,194 | 13,604 | -0.62% | 3,751 | 4 | City |
| Newcastle | 32 | 13,053 | 13,145 | -0.15% | 2,943 | 4 | City |
| Lakeland South | 33 | 12,864 | 12,467 | 0.67% | 2,625 | 5 | CDP |
| East Renton Highlands | 34 | 12,314 | 12,576 | 0.64% | 1,109 | 11 | CDP |
| Fife | 35 | 11,080 | 11,064 | 0.03% | 1,899 | 6 | City |
| Vashon | 36 | 11,018 | 10,400 | 0.24% | 298 | 37 | CDP |
| Lake Morton-Berrydale | 37 | 10,531 | 11,118 | 0.24% | 855 | 12 | CDP |
| Duvall | 38 | 9,458 | 8,046 | 3.07% | 3,859 | 2 | City |
| North Bend | 39 | 8,815 | 7,502 | 3.06% | 2,027 | 4 | City |
| Hobart | 40 | 7,388 | 7,031 | 1.05% | 393 | 19 | CDP |
| Black Diamond | 41 | 7,272 | 4,846 | 7.15% | 1,102 | 7 | City |
| Pacific | 42 | 7,046 | 7,238 | -0.55% | 2,912 | 2 | City |
| Normandy Park | 43 | 6,637 | 6,757 | -0.36% | 2,670 | 2 | City |
| Mirrormont | 44 | 4,213 | 4,102 | 0.89% | 405 | 10 | CDP |
| Boulevard Park | 45 | 4,192 | 4,197 | -1.71% | 3,568 | 1 | CDP |
| Lake Holm | 46 | 3,761 | 3,332 | 0.97% | 450 | 8 | CDP |
| Maple Heights-Lake Desire | 47 | 3,507 | 3,544 | 0.69% | 862 | 4 | CDP |
| Algona | 48 | 3,264 | 3,286 | -0.15% | 2,526 | 1 | City |
| Clyde Hill | 49 | 3,165 | 3,127 | 0.22% | 3,000 | 1 | City |
| Medina | 50 | 2,990 | 2,919 | 0.47% | 2,084 | 1 | City |
| Carnation | 51 | 2,308 | 2,161 | 1.27% | 1,993 | 1 | City |
| Shadow Lake | 52 | 2,078 | 2,385 | -0.57% | 400 | 5 | CDP |
| Fall City | 53 | 2,024 | 2,357 | 0.1% | 713 | 3 | CDP |
| Riverbend | 54 | 2,018 | 2,521 | -0.39% | 676 | 3 | CDP |
| Wilderness Rim | 55 | 1,959 | 1,898 | 1.5% | 3,150 | 1 | CDP |
| Fife Heights | 56 | 1,432 | 1,919 | -3.18% | 1,458 | 1 | CDP |
| Lake Marcel-Stillwater | 57 | 1,426 | 1,346 | 0.71% | 1,117 | 1 | CDP |
| Browns Point | 58 | 1,371 | 961 | 7.11% | 3,377 | 0 | CDP |
| Riverpoint | 59 | 1,204 | 742 | 7.12% | 950 | 1 | CDP |
| Yarrow Point | 60 | 1,134 | 1,132 | 0% | 3,098 | 0 | Town |
| Ames Lake | 61 | 1,014 | 1,317 | -2.97% | 633 | 2 | CDP |
| Dash Point | 62 | 921 | 1,008 | -0.11% | 1,453 | 1 | CDP |
| Hunts Point | 63 | 461 | 455 | 0.22% | 1,502 | 0 | Town |
| Beaux Arts Village | 64 | 312 | 316 | -0.32% | 3,759 | 0 | Town |
| Baring | 65 | 203 | 205 | -0.49% | 195 | 1 | CDP |
| Ravensdale | 66 | 187 | 814 | -24.6% | 151 | 1 | CDP |
| Skykomish | 67 | 157 | 162 | -0.63% | 500 | 0 | Town |
| Greenwater | 68 | 121 | 77 | 7.08% | 83 | 1 | CDP |
Seattle is the largest city in King County, with a population of 791,093.
Greenwater is the smallest city in King County, with a population of 121.
There are 68 cities in King County, Washington.