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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.

CitiesMarshalltownPopulation

Population in Marshalltown

United States · Marshalltown profile

Population

27,620

people

World rank

#20681

of 33750

Percentile

39%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Marshalltown profile

FAQ

Frequently asked

What is the population in Marshalltown?

Marshalltown has a population of 27,620 people. Total resident population.

How does Marshalltown rank for population?

Marshalltown ranks #20681 of 33750 cities for population (higher is better).