Zip Code 98223
Arlington, Washington — Snohomish County
📍 ZIP code 98223 is in Arlington, Snohomish County, Washington.
ZIP code 98223 is located in Arlington, Snohomish County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 46,225. The area code for ZIP code 98223 is 253.
Quick Answer
Zip code 98223 is in Arlington, Washington (Snohomish County). It has a population of 46,225, median household income of $96,478, and median home value of $556,900.
Population
46,225
Income
$96,478
Home Value
$556,900
Climate
77°F / 29°F
About Zip Code 98223
Zip code 98223 is located in Arlington, Washington, within Snohomish County. Home to approximately 46,225 residents, this area sits at an elevation of 813 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 253.
The median household income is $96,478 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $556,900, and the cost of living index is 160 (60% above the national average of 100).
Summers average a high of 77°F while winters drop to 29°F. The area receives about 49 in of rain and 4 in of snow annually. The zip code covers 319.8 square miles of land area and 1.7 square miles of water.
Key Statistics
46,225
$96,478
$556,900
Pacific (PST/PDT)
253
813 ft
319.8 sq mi
40.5
18,224
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Compare With Nearby Zip Codes
| Metric | 98223 | 98274 | 98258 | 98270 | 98252 | 98271 |
|---|---|---|---|---|---|---|
| City | Arlington, WA | Mount Vernon, WA | Lake Stevens, WA | Marysville, WA | Granite Falls, WA | Marysville, WA |
| Population | 46,225 | 19,247 | 52,005 | 53,744 | 10,487 | 30,561 |
| Median Income | $96,478 | $93,762 | $120,571 | $102,258 | $95,235 | $97,547 |
| Home Value | $556,900 | $492,400 | $606,600 | $540,000 | $492,500 | $483,100 |
| Cost of Living | 160 | 144 | 176 | 153 | 149 | 148 |
| Median Age | 40.5 | 41.4 | 35.8 | 37.8 | 37.5 | 39.3 |
Cost of Living
100 = National Average. Arlington's cost of living is 60% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
5.8x
Demographics
Zip code 98223 has a population of 46,225 people with a median age of 40.5. There are 18,224 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Arlington (98223) population trend from 2010 to 2024
↑ 282.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
77°F
29°F
49 in
4 in
Arlington experiences mild summers with average highs around 77°F. Winters are cool with lows averaging 29°F. The area receives about 4 in of snow per year.
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Housing & Economy
Median Home Value
$556,900
Median Household Income
$96,478
With 18,224 housing units across 319.8 square miles, 98223 has a housing density of 57 units per square mile. The home price-to-income ratio is 5.8x.
Location & Geography
Latitude
48.2171°
Longitude
-121.9535°
Land Area
319.8 sq mi
Water Area
1.7 sq mi
Nearby Zip Codes
Zip codes closest to 98223 (Arlington, WA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 98223's $96,478. A way to compare Arlington to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 98223 (Arlington, WA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Arlington, Washington?
Arlington, Washington uses zip code 98223.
What county is zip code 98223 in?
Zip code 98223 is located in Snohomish County, Washington.
What is the population of zip code 98223?
The population of zip code 98223 is 46,225 with a median age of 40.5.
Is 98223 in Arlington, Washington?
Yes, zip code 98223 is in Arlington, Snohomish County, Washington. The area code is 253.
Frequently Asked Questions
What city is zip code 98223 in?
Zip code 98223 is in Arlington, Washington. It is part of Snohomish County and uses the Pacific (PST/PDT) timezone.
What is zip code 98223?
Zip code 98223 is a U.S. postal code in Arlington, Washington (Snohomish County). It has a population of 46,225 and covers 319.8 square miles.
What is the population of zip code 98223?
The population of zip code 98223 (Arlington, WA) is 46,225 with a median age of 40.5. There are approximately 18,224 housing units in this area.
What is the median income in zip code 98223?
The median household income in zip code 98223 (Arlington, WA) is $96,478 per year. The cost of living index is 160 (100 = national average).
What is the average home price in zip code 98223?
The median home value in zip code 98223 (Arlington, WA) is $556,900. The cost of living index is 160 compared to the national average of 100.
What county is zip code 98223 in?
Zip code 98223 is located in Snohomish County, Washington. The primary city is Arlington.
What is the area code for zip code 98223?
Zip code 98223 in Arlington, WA uses area code 253. It is located in the Pacific (PST/PDT) timezone.
Is zip code 98223 a good place to live?
Zip code 98223 (Arlington, WA) has a cost of living index of 160 (100 = national average), a median household income of $96,478, and median home values of $556,900. The median age is 40.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 98223?
The cost of living index for zip code 98223 (Arlington, WA) is 160, where 100 represents the national average. This area is above the national average. Median home value: $556,900.
What schools serve zip code 98223?
Zip code 98223 in Arlington, Washington is served by the local school district of Snohomish County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.