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City ZIP codes · Washington

Snohomish, WA ZIP Codes

3 ZIP codes use the postal name Snohomish, Washington (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $132,973 in 98290 to $177,583 in 98296, 1.3 times as much (Census Bureau, ACS 2020-2024). Snohomish's most populous ZIP code is 98290, with 39,826 people (ACS 2020-2024); 3% of its land is in the city of Snohomish.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Snohomish's ZIP codes?

98290: $133k median household income98296: $178k median household income982909829698290: $133k median household income98296: $178k median household income982909829698290: $133k median household income98296: $178k median household income9829098296
The 2 residential ZIP codes named Snohomish, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Snohomish's ZIP codes?

The highest median household income is in 98296 ($177,583), the lowest in 98290 ($132,973). Home values run from $784,200 in 98290 to $927,700 in 98296.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Snohomish

Residential ZIP codes with the postal name Snohomish, WA, largest first (ACS 2020-2024); sort by any column
County
98290 Snohomish County 39,826 339 $133k $784k
98296 Snohomish County 27,896 808 $178k $928k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Snohomish

1 ZIP code named Snohomish has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Snohomish, WA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
98291Snohomish County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Snohomish's ZIP codes reach?

Snohomish's residential ZIP codes lie in Snohomish County.

Which places do Snohomish's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Snohomish's residential ZIP codes cover Snohomish itself and 12 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Bunk Foss census-designated 98290
  • Cathcart census-designated 98296
  • Chain Lake census-designated 98290
  • Clearview census-designated 98296
  • Fobes Hill census-designated 98290
  • High Bridge census-designated 98296
  • Lake Bosworth census-designated 98290
  • Lake Roesiger census-designated 98290
  • Maltby census-designated 98296
  • Monroe North census-designated 98290
  • Silver Firs census-designated 98296
  • Three Lakes census-designated 98290

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Snohomish's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Snohomish starts with 982.

Three-digit prefixes of Snohomish's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Snohomish's
PrefixSectional centerHereAll codes
982 Seattle, WA (SCF 980) 3 76

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.