27 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 98012 | Bothell | 76,123 |
| 98208 | Everett | 60,616 |
| 98270 | Marysville | 53,744 |
| 98258 | Lake Stevens | 52,005 |
| 98223 | Arlington | 46,225 |
| 98204 | Everett | 43,961 |
| 98036 | Lynnwood | 42,016 |
| 98087 | Lynnwood | 40,607 |
| 98290 | Snohomish | 39,732 |
| 98026 | Edmonds | 38,985 |
| 98021 | Bothell | 35,445 |
| 98203 | Everett | 35,356 |
| 98272 | Monroe | 32,055 |
| 98201 | Everett | 31,212 |
| 98037 | Lynnwood | 30,574 |
| 98271 | Marysville | 30,561 |
| 98296 | Snohomish | 27,201 |
| 98292 | Stanwood | 26,713 |
| 98043 | Mountlake Terrace | 21,417 |
| 98275 | Mukilteo | 21,312 |
| 98020 | Edmonds | 19,064 |
| 98252 | Granite Falls | 10,487 |
| 98294 | Sultan | 7,838 |
| 98251 | Gold Bar | 4,782 |
| 98241 | Darrington | 2,412 |
| 98207 | Everett | 958 |
| 98256 | Index | 409 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 27 ZCTAs in Snohomish County, Washington (US Census).