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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.

CitiesMarlboroughPopulation

Population in Marlborough

United States · Marlborough profile

Population

39,818

people

World rank

#14942

of 33750

Percentile

56%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Marlborough profile

FAQ

Frequently asked

What is the population in Marlborough?

Marlborough has a population of 39,818 people. Total resident population.

How does Marlborough rank for population?

Marlborough ranks #14942 of 33750 cities for population (higher is better).