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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.

CitiesFitchburgPopulation

Population in Fitchburg

United States · Fitchburg profile

Population

27,996

people

World rank

#20460

of 33750

Percentile

39%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Fitchburg profile

FAQ

Frequently asked

What is the population in Fitchburg?

Fitchburg has a population of 27,996 people. Total resident population.

How does Fitchburg rank for population?

Fitchburg ranks #20460 of 33750 cities for population (higher is better).