County ZIP codes · Washington · FIPS 53061
Snohomish County, WA ZIP Codes
Snohomish County, Washington has 38 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 30 residential and 8 for PO boxes or a single organization. 27 of the residential ones lie mainly in Snohomish County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $68,513 in 98204 (Everett) to $184,306 in 98077 (Woodinville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Snohomish County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $98,370 and $132,861.
They carry 19 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 30 residential ZIP codes in Snohomish County
27 ZIP codes lie mainly in Snohomish County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 98012 | Bothell | 77,041 | 4,920 | $146k | $877k | 100% |
| 98208 | Everett | 60,915 | 3,998 | $104k | $692k | 100% |
| 98270 | Marysville | 55,049 | 3,860 | $108k | $580k | 100% |
| 98258 | Lake Stevens | 52,752 | 1,423 | $124k | $653k | 100% |
| 98223 | Arlington | 46,497 | 147 | $100k | $601k | 100% |
| 98204 | Everett | 45,130 | 6,283 | $69k | $414k | 100% |
| 98036 | Lynnwood | 42,370 | 4,418 | $89k | $760k | 100% |
| 98087 | Lynnwood | 41,796 | 7,271 | $107k | $676k | 100% |
| 98290 | Snohomish | 39,826 | 339 | $133k | $784k | 100% |
| 98026 | Edmonds | 38,976 | 4,154 | $134k | $822k | 100% |
| 98021 | Bothell | 35,631 | 3,512 | $184k | $968k | 100% |
| 98203 | Everett | 35,517 | 3,003 | $107k | $609k | 100% |
| 98201 | Everett | 31,895 | 1,701 | $75k | $500k | 100% |
| 98272 | Monroe | 31,436 | 296 | $122k | $713k | 100% |
| 98271 | Marysville | 30,838 | 681 | $96k | $538k | 100% |
| 98037 | Lynnwood | 29,723 | 5,141 | $107k | $767k | 100% |
| 98296 | Snohomish | 27,896 | 808 | $178k | $928k | 100% |
| 98292 | Stanwood | 27,389 | 357 | $102k | $654k | 99% |
| 98043 | Mountlake Terrace | 23,101 | 5,704 | $108k | $667k | 100% |
| 98275 | Mukilteo | 21,323 | 2,921 | $133k | $885k | 100% |
| 98020 | Edmonds | 19,551 | 3,778 | $130k | $1.03M | 100% |
| 98252 | Granite Falls | 10,361 | 43 | $98k | $521k | 100% |
| 98294 | Sultan | 7,963 | 147 | $97k | $528k | 100% |
| 98251 | Gold Bar | 4,907 | 31 | $84k | $449k | 100% |
| 98241 | Darrington | 2,339 | 6 | $73k | $395k | 92% |
| 98207 | Everett | 843 | 3,345 | – | – | 100% |
| 98256 | Index | 368 | 5 | $94k | $430k | 100% |
Partly in Snohomish County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Snohomish County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Snohomish | Elsewhere |
|---|---|---|
| 98292 | 99% | Skagit County 1% |
| 98072 | 28% | King County 72% |
| 98282 | 1% | Island County 99% |
| 98077 | 15% | King County 85% |
| 98241 | 92% | Skagit County 8% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Snohomish County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Snohomish County's ZIP codes use 2 prefixes: 980 and 982.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.