Arlington, Washington

Arlington population, 2020 to 2024

Arlington added 1,914 residents from July 2020 to July 2024, a change of +9.5%. In the latest year it moved by +543. Among 125 Washington places of 5,000 or more, that growth ranks 19th; the median place changed by +2.6%. The median place of 5,000+ in Washington has 18,148 people, so Arlington is 1.2 times that size.

Arlington covers 9.97 square miles of land, for 2,203 people per square mile of land. The median Washington place of 5,000+ has 2,694, so Arlington is less dense than the typical town.

What county Arlington is in

All of Arlington's residents live in Snohomish County, which had 864,113 residents in 2024. Arlington holds 2.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Arlington

1 ZIP Code Tabulation Area (ZCTA) overlaps Arlington by at least 10% of the ZCTA's or the city's land: 98223. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Arlington is

The Census internal point of Arlington is at 48.170400, -122.144600. Olympia, the capital, is 85.9 miles SSW in a straight line. The nearest larger place is Marysville, WA (76,209 people), 6.3 miles away. The nearest city of 100,000 or more is Everett, WA, 14.3 miles away.

Daylight in Arlington

At 48.17° N, Arlington gets about 16 h 04 min of daylight around the June solstice and 8 h 21 min around the December solstice, a swing of 7 h 44 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Arlington

The eight nearest incorporated places of 1,000+ in Washington, measured between internal points. The closest is Marysville, 6.2 miles away, with 76,209 people.