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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.

CitiesWaterlooPopulation

Population in Waterloo

Sierra Leone · Waterloo profile

Population

55,000

people

World rank

#11092

of 33750

Percentile

67%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Waterloo profile

FAQ

Frequently asked

What is the population in Waterloo?

Waterloo has a population of 55,000 people. Total resident population.

How does Waterloo rank for population?

Waterloo ranks #11092 of 33750 cities for population (higher is better).