Arlington, WA
Population 20,599 · Washington
About Arlington, WA
Arlington is a mid-sized city in Washington with a population of 20,599 residents. The median household income is $84,919 per year, which is above the national average. The median age in Arlington is 37.1 years.
Housing in Arlington has a median home value of $492,600 and median monthly rent of $1,764. Of the 8,126 total housing units, the majority are owner-occupied, with 4,795 owner-occupied and 2,770 renter-occupied units.
The unemployment rate in Arlington is 3.6% and the poverty rate is 11.0%. 20.3% of residents hold a bachelor's degree or higher. The average commute time is 30.4 minutes.
Cost of Living in Arlington, WA
Compared to national averages, Arlington has a median household income of $84,919 (13% above the national median of $75,149). Home values average $492,600, which is 101% above the national median. Monthly rent at $1,764 is 52% above the US average of $1,163. Within Washington, Arlington's income is 6% below the state average of $90,795, and home values are 7% above the state median of $460,491.
Why Live in Arlington, WA?
Arlington offers a strong local economy with a median household income of $84,919, well above the national average, and a strong job market with an unemployment rate of just 3.6%, and a low poverty rate of 11.0%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $492,600. However, Arlington’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Arlington has a population of 20,599 with a median age of 37.1 years. Compare Arlington with other cities to see how it stacks up, or explore all cities in Washington.
Similar Cities Near Arlington
Cities in Washington with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Mill Creek | 20,846 | $121,578 | $836,300 | Compare |
| Covington | 20,957 | $126,730 | $590,100 | Compare |
| Bothell West | 21,014 | $144,941 | $757,700 | Compare |
| Silverdale | 21,046 | $101,445 | $507,600 | Compare |
| Port Angeles | 20,087 | $61,640 | $324,800 | Compare |
| Battle Ground | 21,293 | $100,185 | $452,000 | Compare |
| Mukilteo | 21,312 | $122,612 | $830,000 | Compare |
| Mountlake Terrace | 21,419 | $101,404 | $606,100 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Washington
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Arlington
What is the population of Arlington, WA?
The population of Arlington, WA is 20,599 according to the latest Census data.
What is the median household income in Arlington?
The median household income in Arlington, WA is $84,919 per year.
What is the median home value in Arlington?
The median home value in Arlington, WA is $492,600.
What is the average rent in Arlington?
The median monthly rent in Arlington, WA is $1,764.
What is the unemployment rate in Arlington?
The unemployment rate in Arlington, WA is 3.6%.