Arlington
Arlington has roughly average household income, with a median household income of $88,231. The city has grown rapidly, with population up 80% since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $538,800.
Population & growth
PEP 2025 EST:22,031 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
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How many people live in Arlington, Washington?
Arlington, Washington has about 21,095 residents according to the 2024 American Community Survey.
What is the median household income in Arlington, Washington?
The typical household in Arlington, Washington earns about $88,231 a year. Half of households make more than that, and half make less.
Is Arlington, Washington expensive?
In Arlington, Washington, the median home is worth about $538,800, and the typical rent is about $1,905 a month.
How educated are people in Arlington, Washington?
About 20.8% of adults age 25 and over in Arlington, Washington hold a bachelor's degree or higher.
What is the poverty rate in Arlington, Washington?
About 12.7% of people in Arlington, Washington live below the federal poverty line.
Has Arlington, Washington grown since 1990?
Yes, Arlington, Washington has grown since 1990. The population has added about 17,092 residents, a change of about 427 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024