Skagit County, WA ZIP codes
There are 13 ZIP codes in Skagit County, WA, in 12 towns, from 98221 to 98284. The largest are 98273 (Mount Vernon), 98284 (Sedro Woolley) and 98221 (Anacortes).
The county seat is Mount Vernon.
- ZIP codes
- 13
- Towns
- 12
- County seat
- Mount Vernon
- County FIPS
53057- State
- Washington
- Population
- 131,328
- Median household income
- $89,263
- Land area
- 1,730 sq mi
- Metro area
- Mount Vernon-Anacortes
Skagit County ZIP codes by town
- Mount Vernon (county seat)
- 98273, 98274
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Skagit County ZIP codes
The ZIP codes of Skagit County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Skagit County in numbers
About 131,328 people live in Skagit County, in 52,329 households, the 11th most populous of Washington's 39 counties. The median household income is $89,263 a year, 9% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $545,100 (3% below the Washington median), and median gross rent is $1,536 a month. The median age is 42.1; 30.2% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 26 minutes.
| Population | 131,328 |
|---|---|
| Households | 52,329 |
| Median age | 42.1 |
| Median household income | $89,263 |
| Median home value | $545,100 |
| Median gross rent | $1,536 |
| Bachelor's degree or higher | 30.2% |
| Mean commute | 26.4 min |
| Population density | 76 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Skagit County
| Town | ZIP codes | Population |
|---|---|---|
| Mount Vernon | 2 | 35,377 |
| Anacortes | 1 | 17,966 |
| Sedro Woolley | 1 | 12,831 |
| Burlington | 1 | 10,003 |
| La Conner | 1 | 873 |
| Concrete | 1 | 833 |
| Bow | 1 | 585 |
| Clearlake | 1 | 531 |
| Lyman | 1 | 437 |
| Marblemount | 1 | 291 |
| Hamilton | 1 | 252 |
| Conway | 1 | 46 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Skagit County.
Not sure you are in Skagit County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Skagit County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
98221 | Anacortes , WA | Standard | 23,562 | $96,528 | $713,100 |
98232 | Bow , WA | Standard | 4,054 | $104,559 | $782,200 |
98233 | Burlington , WA | Standard | 17,850 | $87,614 | $502,100 |
98235 | Clearlake , WA | Standard | 531 | $63,307 | $518,900 |
98237 | Concrete , WA | Standard | 4,956 | $61,711 | $377,700 |
98238 | Conway , WA | Standard | 46 | — | — |
98255 | Hamilton , WA | Standard | 198 | $68,194 | $217,500 |
98257 | La Conner , WA | Standard | 4,277 | $94,425 | $506,200 |
98263 | Lyman , WA | Standard | 200 | $133,750 | $400,000 |
98267 | Marblemount , WA | Standard | 314 | — | $412,500 |
98273 | Mount Vernon , WA | Standard | 30,001 | $76,717 | $492,300 |
98274 | Mount Vernon , WA | Standard | 18,860 | $96,177 | $547,700 |
98284 | Sedro Woolley , WA | Standard | 27,835 | $93,006 | $482,500 |
Cite this page
zipcodes.pro. “Skagit County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wa/county/skagit
Underlying data is public domain or openly licensed — sources, vintages and licences.