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Arlington Heights, IL Demographics

Arlington Heights, IL is the 15th most populous of 1464 cities in Illinois, with 77,676 residents across 17 square miles. That is about 4,676 people per square mile.

At the 2020 census

Population 77,676
Land area 17 sq mi
Density 4,676 / sq mi

Data: 2020 Decennial Census · land area from Census TIGER/Line

How Arlington Heights, IL compares to the US

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About this page

City statistics cover the municipal boundary only, not the wider metro area.

Figures come from the 2020 census and the American Community Survey, compared against national averages.

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