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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.

CitiesCentral IslipPopulation

Population in Central Islip

United States · Central Islip profile

Population

34,450

people

World rank

#16987

of 33750

Percentile

50%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Central Islip profile

FAQ

Frequently asked

What is the population in Central Islip?

Central Islip has a population of 34,450 people. Total resident population.

How does Central Islip rank for population?

Central Islip ranks #16987 of 33750 cities for population (higher is better).