Arlington Heights Population 2026

Arlington Heights has a population of 75,926, making it the #491 biggest city in 🇺🇸 United States, located in Illinois. It is about 116× smaller than New York City, the country's biggest city.

WashingtonArlington Heights
Location of Arlington Heights (capital Washington shown for reference). Boundaries: Natural Earth.
Population (city proper)
75,926
Rank in United States
#491
Coordinates
42.09°N, 87.98°W
~214 m elevation · America/Chicago
Distance to capital (Washington)
990 km
615 miles, straight line

Other big cities in Illinois

CityPopulationRank in United States
Chicago2,664,452#3
Aurora200,661#125
Rockford148,278#184
Joliet147,861#186
Naperville147,100#190
Peoria115,070#259
Springfield114,394#262
North Peoria113,004#266

Cities near Arlington Heights

FAQ

What is the population of Arlington Heights?
Arlington Heights has a population of 75,926 (city proper, latest official figure via GeoNames), making it the #491 biggest city in United States.
What state is Arlington Heights in?
Arlington Heights is located in Illinois, United States.
Is Arlington Heights the capital of United States?
No, the capital of United States is Washington D.C., about 990 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

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