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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.

CitiesMontclairPopulation

Population in Montclair

United States · Montclair profile

Population

19,570

people

World rank

#27618

of 33750

Percentile

18%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Montclair profile

FAQ

Frequently asked

What is the population in Montclair?

Montclair has a population of 19,570 people. Total resident population.

How does Montclair rank for population?

Montclair ranks #27618 of 33750 cities for population (higher is better).