Arlington Heights
Arlington Heights is significantly wealthier than the US average, with a median household income of $116,723. Population has held roughly steady since 2000. 60% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $414,500. Poverty is rare here, at 6.0% of residents. It ranks in the top 5% of US cities for household income.
Population & growth
PEP 2025 EST:76,216 residents (Census Bureau Vintage 2025, released March 2026)
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Education
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People & community
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How many people live in Arlington Heights, Illinois?
Arlington Heights, Illinois has about 76,005 residents according to the 2024 American Community Survey.
What is the median household income in Arlington Heights, Illinois?
The typical household in Arlington Heights, Illinois earns about $116,723 a year. Half of households make more than that, and half make less.
Is Arlington Heights, Illinois expensive?
In Arlington Heights, Illinois, the median home is worth about $414,500, and the typical rent is about $1,760 a month.
How educated are people in Arlington Heights, Illinois?
About 60.4% of adults age 25 and over in Arlington Heights, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Arlington Heights, Illinois?
About 6.0% of people in Arlington Heights, Illinois live below the federal poverty line.
Has Arlington Heights, Illinois grown since 1990?
Yes, Arlington Heights, Illinois has grown since 1990. The population has added about 545 residents, a change of about 1 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024