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© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesWillowbrookPopulation

Population in Willowbrook

United States · Willowbrook profile

Population

35,983

people

World rank

#16341

of 33750

Percentile

52%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Willowbrook profile

FAQ

Frequently asked

What is the population in Willowbrook?

Willowbrook has a population of 35,983 people. Total resident population.

How does Willowbrook rank for population?

Willowbrook ranks #16341 of 33750 cities for population (higher is better).