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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.

CitiesDecaturPopulation

Population in Decatur

United States · Decatur profile

Population

73,254

people

World rank

#8353

of 33750

Percentile

75%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Decatur profile

FAQ

Frequently asked

What is the population in Decatur?

Decatur has a population of 73,254 people. Total resident population.

How does Decatur rank for population?

Decatur ranks #8353 of 33750 cities for population (higher is better).