Demographics & People — Arlington, Washington

Population Overview

Population (Census)20,599
Estimated 2026~22,300
Median Age36.6
Total Households7,565
Family Households5,064
Average Household Size2.71
Diversity Index0.3716 (somewhat diverse)

Race & Ethnicity

White15,582
Black or African American274
Asian1,125
Hispanic or Latino3,118

Heritage & Ancestry

GroupCount
Unclassified or not reported5,330
Other groups4,937
Hispanic: Hispanic or Latino2,959
German2,850
English2,567
Hispanic: Mexican1,994
Irish1,711
Norwegian1,540
American1,116
Scottish851

Language

English Only16,294
Spanish1,877
Population 5+19,336

Veterans

Veterans1,856
Population 18+15,223

Commuting

Mean Commute Time29.9 minutes
Work from Home11.9%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Arlington, Washington.