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County ZIP codes · Washington · FIPS 53057

Skagit County, WA ZIP Codes

Skagit County, Washington has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 13 of the residential ones lie mainly in Skagit County and 4 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $61,711 in 98237 (Concrete) to $101,765 in 98292 (Stanwood) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Skagit County?

98221 · Anacortes: $97k98229 · Bellingham: $91k98232 · Bow: $105k98233 · Burlington: $88k98235 · Clearlake: $63k98237 · Concrete: $62k98238 · Conway: –98241 · Darrington: $73k98255 · Hamilton: $68k98257 · La Conner: $94k98263 · Lyman: $134k98267 · Marblemount: –98273 · Mount Vernon: $77k98274 · Mount Vernon: $96k98283 · Rockport: $72k98284 · Sedro Woolley: $93k98292 · Stanwood: $102k9828398241982379826798284982219827398274982929823298229982339825798221 · Anacortes: $97k98229 · Bellingham: $91k98232 · Bow: $105k98233 · Burlington: $88k98235 · Clearlake: $63k98237 · Concrete: $62k98238 · Conway: –98241 · Darrington: $73k98255 · Hamilton: $68k98257 · La Conner: $94k98263 · Lyman: $134k98267 · Marblemount: –98273 · Mount Vernon: $77k98274 · Mount Vernon: $96k98283 · Rockport: $72k98284 · Sedro Woolley: $93k98292 · Stanwood: $102k98283982419823798267982849822198273982749829298232982299823398221 · Anacortes: $97k98229 · Bellingham: $91k98232 · Bow: $105k98233 · Burlington: $88k98235 · Clearlake: $63k98237 · Concrete: $62k98238 · Conway: –98241 · Darrington: $73k98255 · Hamilton: $68k98257 · La Conner: $94k98263 · Lyman: $134k98267 · Marblemount: –98273 · Mount Vernon: $77k98274 · Mount Vernon: $96k98283 · Rockport: $72k98284 · Sedro Woolley: $93k98292 · Stanwood: $102k98283982419823798267982849822198273
The residential ZIP codes of Skagit County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$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 its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $87,614 and $96,177.

They carry 16 postal town names.

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

All 17 residential ZIP codes in Skagit County

13 ZIP codes lie mainly in Skagit County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Skagit County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
98273 Mount Vernon 30,001 357 $77k $492k 100%
98284 Sedro Woolley 27,835 99 $93k $483k 93%
98221 Anacortes 23,562 454 $97k $713k 92%
98274 Mount Vernon 18,860 132 $96k $548k 100%
98233 Burlington 17,850 538 $88k $502k 100%
98237 Concrete 4,956 12 $62k $378k 85%
98257 La Conner 4,277 231 $94k $506k 100%
98232 Bow 4,054 75 $105k $782k 100%
98235 Clearlake 531 1,548 $63k $519k 100%
98267 Marblemount 314 1 – $413k 100%
98263 Lyman 200 820 $134k $400k 100%
98255 Hamilton 198 299 $68k $218k 100%
98238 Conway 46 204 – – 100%

Partly in Skagit County

Residential ZIP codes mainly in another county that reach at least 1% into Skagit County, by their share here
In this county
98241 Darrington 2,339 6 $73k $395k 8%
98229 Bellingham 33,298 664 $91k $634k 5%
98283 Rockport 442 1 $72k $338k 4%
98292 Stanwood 27,389 357 $102k $654k 1%

Download the 17 ZIP codes as CSV

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?

7 ZIP codes of Skagit County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Skagit County and in the neighboring counties
ZIPIn SkagitElsewhere
982295%Whatcom County 95%
9828493%Whatcom County 7%
982921%Snohomish County 99%
9822192%San Juan County 8%
9823785%Whatcom County 15%
982418%Snohomish County 92%
982834%Whatcom County 96%

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

Which first three digits do Skagit County'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 Skagit County starts with 982.

Three-digit prefixes of Skagit County'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 Skagit County's
PrefixSectional centerHereAll codes
982 Seattle, WA (SCF 980) 17 76

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