Zip Code 98223 — Arlington, WA
98223 is a ZIP Code associated with Arlington, WA, located within Snohomish. The postal region supports an estimated population of 46,497 residents across Data Pending housing units, with a population density of 56.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (48.209940, -121.950810)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 98223 |
| Primary City | Arlington |
| State / Province | WA |
| County | Snohomish |
| Total Population | 46,497 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 56.8 people/sq mi |
| Timezone | America/Los_Angeles |
How 98223 Compares
| Metric | ZIP 98223 | Snohomish County | WA State Average |
|---|
| Population | 46,497 | 841,433 | 7,816,021 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 56.8 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 98258 | Lake Stevens | 13.6 mi | 52,752 | N/A |
| Zip 98274 | Mount Vernon | 13.6 mi | 18,860 | N/A |
| Zip 98270 | Marysville | 13.7 mi | 55,049 | N/A |
| Zip 98252 | Granite Falls | 15.1 mi | 10,361 | N/A |
| Zip 98271 | Marysville | 15.4 mi | 30,838 | N/A |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →