62 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Everett | 1 | 113,540 | 110,892 | 0.47% | 3,379 | 34 | City |
| Marysville | 2 | 77,516 | 70,979 | 1.72% | 3,735 | 21 | City |
| Edmonds | 3 | 42,880 | 42,835 | 0.02% | 4,809 | 9 | City |
| Lynnwood | 4 | 42,359 | 38,549 | 1.83% | 5,378 | 8 | City |
| Lake Stevens | 5 | 41,909 | 39,112 | 1.35% | 4,124 | 10 | City |
| Mill Creek East | 6 | 27,700 | 24,643 | 2.97% | 6,226 | 4 | CDP |
| Mountlake Terrace | 7 | 26,176 | 21,286 | 3.88% | 6,454 | 4 | City |
| North Lynnwood | 8 | 26,150 | 24,084 | 2.5% | 8,363 | 3 | CDP |
| Martha Lake | 9 | 25,205 | 21,987 | 2.64% | 5,536 | 5 | CDP |
| Eastmont | 10 | 23,941 | 22,829 | 1.08% | 4,681 | 5 | CDP |
| Silver Firs | 11 | 22,565 | 22,564 | 0.5% | 3,292 | 7 | CDP |
| Arlington | 12 | 22,437 | 20,045 | 2.18% | 2,250 | 10 | City |
| Bothell West | 13 | 21,511 | 19,899 | 1.54% | 5,187 | 4 | CDP |
| Mukilteo | 14 | 21,246 | 21,508 | -0.25% | 3,400 | 6 | City |
| Mill Creek | 15 | 21,013 | 20,912 | 0.1% | 4,525 | 5 | City |
| Monroe | 16 | 19,902 | 20,024 | -0.13% | 3,122 | 6 | City |
| Lake Stickney | 17 | 16,391 | 14,306 | 3.64% | 8,241 | 2 | CDP |
| Bothell East | 18 | 15,430 | 13,164 | 3.31% | 7,362 | 2 | CDP |
| Maltby | 19 | 11,476 | 11,845 | 0.38% | 594 | 19 | CDP |
| Alderwood Manor | 20 | 11,046 | 9,618 | 1.6% | 5,759 | 2 | CDP |
| Snohomish | 21 | 10,624 | 10,173 | 0.85% | 3,017 | 4 | City |
| Picnic Point | 22 | 10,236 | 9,607 | 0.94% | 3,366 | 3 | CDP |
| Stanwood | 23 | 9,229 | 7,798 | 3.2% | 3,100 | 3 | City |
| Sultan | 24 | 7,460 | 5,168 | 6.54% | 2,235 | 3 | City |
| Woods Creek | 25 | 7,413 | 5,922 | 1.67% | 528 | 14 | CDP |
| Lake Goodwin | 26 | 6,976 | 4,613 | 7.14% | 1,242 | 6 | CDP |
| Brier | 27 | 6,615 | 6,554 | 0.18% | 3,012 | 2 | City |
| Chain Lake | 28 | 5,467 | 5,237 | 2.15% | 501 | 11 | CDP |
| Granite Falls | 29 | 4,726 | 4,603 | 0.51% | 2,156 | 2 | City |
| Larch Way | 30 | 4,669 | 3,770 | 1.97% | 4,195 | 1 | CDP |
| Esperance | 31 | 4,435 | 4,410 | 1.28% | 6,126 | 1 | CDP |
| Clearview | 32 | 3,873 | 3,847 | 0.96% | 835 | 5 | CDP |
| Three Lakes | 33 | 3,668 | 3,411 | 0.88% | 314 | 12 | CDP |
| Bunk Foss | 34 | 3,656 | 3,488 | 0.16% | 942 | 4 | CDP |
| Canyon Creek | 35 | 3,635 | 3,218 | 0.8% | 596 | 6 | CDP |
| Arlington Heights | 36 | 3,332 | 2,463 | 2.15% | 397 | 8 | CDP |
| Fobes Hill | 37 | 3,092 | 2,564 | 1.48% | 664 | 5 | CDP |
| Sisco Heights | 38 | 3,041 | 3,041 | 0.76% | 220 | 14 | CDP |
| Meadowdale | 39 | 3,037 | 3,162 | 0.46% | 2,849 | 1 | CDP |
| High Bridge | 40 | 2,840 | 3,065 | -0.35% | 407 | 7 | CDP |
| Lochsloy | 41 | 2,715 | 2,991 | 0.44% | 364 | 7 | CDP |
| Bryant | 42 | 2,640 | 2,142 | 1.97% | 430 | 6 | CDP |
| Lake Cassidy | 43 | 2,624 | 2,854 | -1.94% | 248 | 11 | CDP |
| Gold Bar | 44 | 2,495 | 2,410 | 0.69% | 2,356 | 1 | City |
| Cathcart | 45 | 2,017 | 2,278 | -1.42% | 522 | 4 | CDP |
| Monroe North | 46 | 1,933 | 1,740 | 0.89% | 922 | 2 | CDP |
| Darrington | 47 | 1,505 | 1,478 | 0.33% | 791 | 2 | Town |
| Woodway | 48 | 1,324 | 1,316 | 0.08% | 1,134 | 1 | City |
| Sunday Lake | 49 | 1,297 | 947 | 3.43% | 390 | 3 | CDP |
| Machias | 50 | 1,280 | 1,117 | 0.47% | 517 | 2 | CDP |
| Lake Roesiger | 51 | 1,188 | 930 | 4.03% | 306 | 4 | CDP |
| Swede Heaven | 52 | 1,173 | 1,181 | 2.36% | 163 | 7 | CDP |
| Lake Bosworth | 53 | 1,157 | 1,071 | 2.94% | 293 | 4 | CDP |
| May Creek | 54 | 887 | 759 | 0.57% | 1,395 | 1 | CDP |
| Cavalero | 55 | 656 | 5,395 | -28.93% | 1,393 | 0 | CDP |
| Startup | 56 | 645 | 771 | -0.31% | 151 | 4 | CDP |
| North Sultan | 57 | 354 | 265 | 1.72% | 629 | 1 | CDP |
| Oso | 58 | 346 | 241 | 3.28% | 123 | 3 | CDP |
| Verlot | 59 | 340 | 562 | 1.19% | 31 | 11 | CDP |
| Index | 60 | 161 | 154 | 0.63% | 700 | 0 | Town |
| Hat Island | 61 | 26 | 61 | 8.33% | 38 | 1 | CDP |
| Silvana | 62 | 15 | 14 | 7.14% | 10 | 2 | CDP |
Everett is the largest city in Snohomish County, with a population of 113,540.
Silvana is the smallest city in Snohomish County, with a population of 15.
There are 62 cities in Snohomish County, Washington.