Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seattle | 1 | 759,915 | 740,565 | 0.64% | 9,047 | 84.0 | City |
| Bellevue | 2 | 151,505 | 151,780 | -0.05% | 4,527 | 33.5 | City |
| Kent | 3 | 132,306 | 136,592 | -0.8% | 3,911 | 33.8 | City |
| Renton | 4 | 103,748 | 106,719 | -0.71% | 4,407 | 23.5 | City |
| Federal Way | 5 | 96,605 | 100,988 | -1.12% | 4,326 | 22.3 | City |
| Kirkland | 6 | 90,679 | 92,739 | -0.56% | 5,093 | 17.8 | City |
| Auburn | 7 | 82,812 | 87,043 | -1.26% | 2,800 | 29.6 | City |
| Redmond | 8 | 82,588 | 73,354 | 2.88% | 4,985 | 16.6 | City |
| Sammamish | 9 | 64,340 | 67,444 | -1.19% | 3,150 | 20.4 | City |
| Shoreline | 10 | 62,199 | 58,815 | 1.38% | 5,346 | 11.6 | City |
| Bothell | 11 | 50,894 | 48,169 | 1.36% | 3,733 | 13.6 | City |
| Burien | 12 | 50,310 | 51,989 | -0.83% | 5,011 | 10.0 | City |
| Issaquah | 13 | 38,604 | 40,094 | -0.96% | 3,183 | 12.1 | City |
| SeaTac | 14 | 31,937 | 31,384 | 0.43% | 3,173 | 10.1 | City |
| Des Moines | 15 | 31,688 | 32,887 | -0.94% | 4,940 | 6.4 | City |
| Maple Valley | 16 | 28,550 | 28,085 | 0.41% | 4,755 | 6.0 | City |
| Mercer Island | 17 | 24,407 | 25,747 | -1.35% | 3,824 | 6.4 | City |
| Union Hill-Novelty Hill | 18 | 23,901 | 23,114 | 1.55% | 986 | 24.2 | CDP |
| Cottage Lake | 19 | 23,356 | 23,239 | 0.26% | 1,027 | 22.7 | CDP |
| Kenmore | 20 | 23,224 | 23,891 | -0.71% | 3,774 | 6.2 | City |
| Covington | 21 | 21,212 | 20,863 | 0.41% | 3,576 | 5.9 | City |
| Tukwila | 22 | 20,928 | 21,754 | -0.98% | 2,278 | 9.2 | City |
| Fairwood | 23 | 18,530 | 19,400 | -0.22% | 3,907 | 4.7 | CDP |
| Bryn Mawr-Skyway | 24 | 18,430 | 17,643 | 1.09% | 6,458 | 2.9 | CDP |
| White Center | 25 | 15,810 | 15,995 | 1.06% | 6,949 | 2.3 | CDP |
| Lakeland North | 26 | 15,296 | 14,042 | 1.11% | 4,762 | 3.2 | CDP |
| Woodinville | 27 | 13,800 | 13,472 | 0.6% | 2,458 | 5.6 | City |
| Edgewood | 28 | 13,538 | 12,412 | 2.12% | 1,615 | 8.4 | City |
| Snoqualmie | 29 | 13,258 | 14,084 | -1.54% | 1,847 | 7.2 | City |
| Lake Forest Park | 30 | 12,806 | 13,606 | -1.54% | 3,641 | 3.5 | City |
| Lakeland South | 31 | 12,778 | 12,467 | 0.68% | 2,607 | 4.9 | CDP |
| Enumclaw | 32 | 12,721 | 12,623 | 0.19% | 2,458 | 5.2 | City |
| Newcastle | 33 | 12,633 | 13,144 | -1% | 2,848 | 4.4 | City |
| East Renton Highlands | 34 | 12,236 | 12,576 | 0.65% | 1,102 | 11.1 | CDP |
| Vashon | 35 | 10,992 | 10,400 | 0.25% | 297 | 37.0 | CDP |
| Fife | 36 | 10,609 | 11,064 | -1.06% | 1,818 | 5.8 | City |
| Lake Morton-Berrydale | 37 | 10,506 | 11,118 | 0.23% | 852 | 12.3 | CDP |
| Duvall | 38 | 8,674 | 8,045 | 1.84% | 3,539 | 2.5 | City |
| North Bend | 39 | 8,522 | 7,504 | 3.07% | 1,960 | 4.3 | City |
| Hobart | 40 | 7,311 | 7,031 | 1.08% | 389 | 18.8 | CDP |
| Black Diamond | 41 | 7,187 | 4,846 | 8.86% | 1,089 | 6.6 | City |
| Pacific | 42 | 6,823 | 7,237 | -1.5% | 2,819 | 2.4 | City |
| Normandy Park | 43 | 6,449 | 6,760 | -1.2% | 2,594 | 2.5 | City |
| Boulevard Park | 44 | 4,265 | 4,197 | -1.68% | 3,630 | 1.2 | CDP |
| Mirrormont | 45 | 4,176 | 4,102 | 0.89% | 402 | 10.4 | CDP |
| Lake Holm | 46 | 3,725 | 3,332 | 0.98% | 446 | 8.4 | CDP |
| Maple Heights-Lake Desire | 47 | 3,483 | 3,544 | 0.66% | 856 | 4.1 | CDP |
| Algona | 48 | 3,159 | 3,285 | -1% | 2,445 | 1.3 | City |
| Clyde Hill | 49 | 3,060 | 3,128 | -0.55% | 2,900 | 1.1 | City |
| Medina | 50 | 2,815 | 2,918 | -0.92% | 1,962 | 1.4 | City |
| Carnation | 51 | 2,181 | 2,161 | 0.23% | 1,883 | 1.2 | City |
| Shadow Lake | 52 | 2,090 | 2,385 | -0.62% | 402 | 5.2 | CDP |
| Riverbend | 53 | 2,026 | 2,521 | -0.34% | 679 | 3.0 | CDP |
| Fall City | 54 | 2,022 | 2,357 | 0.1% | 712 | 2.8 | CDP |
| Wilderness Rim | 55 | 1,930 | 1,898 | 1.53% | 3,103 | 0.6 | CDP |
| Fife Heights | 56 | 1,479 | 1,919 | -3.08% | 1,506 | 1.0 | CDP |
| Lake Marcel-Stillwater | 57 | 1,416 | 1,346 | 0.71% | 1,109 | 1.3 | CDP |
| Browns Point | 58 | 1,280 | 961 | 7.74% | 3,153 | 0.4 | CDP |
| Riverpoint | 59 | 1,124 | 742 | 7.77% | 886 | 1.3 | CDP |
| Yarrow Point | 60 | 1,095 | 1,133 | -0.91% | 2,992 | 0.4 | Town |
| Ames Lake | 61 | 1,045 | 1,317 | -2.88% | 652 | 1.6 | CDP |
| Dash Point | 62 | 922 | 1,008 | 0% | 1,454 | 0.6 | CDP |
| Hunts Point | 63 | 443 | 455 | -0.67% | 1,443 | 0.3 | Town |
| Beaux Arts Village | 64 | 300 | 316 | -1.32% | 3,614 | 0.1 | Town |
| Ravensdale | 65 | 248 | 814 | -19.74% | 200 | 1.2 | CDP |
| Baring | 66 | 204 | 205 | -0.49% | 196 | 1.0 | CDP |
| Skykomish | 67 | 153 | 164 | -1.92% | 487 | 0.3 | Town |
| Greenwater | 68 | 113 | 77 | 7.62% | 78 | 1.5 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Seattle is the largest city in King County.
Greenwater is the smallest city in King County.
There are 68 cities in King County, Washington.