About Islip
Islip is a city located in United States, in the New York region. According to the latest available data (2026), the population of Islip is approximately 339,938 residents, making it the #222 most populous city in United States.
Globally, Islip ranks #5,435 among the world's most populated cities.
Islip City Statistics
| City | Islip |
| Country |  United States |
| Population | 339,938 |
| Global Rank | #5,435 |
| Rank in United States | #222 of 867 cities |
| City Category | city |
| Region | New York |
| Latitude | 40.7567 |
| Longitude | -73.1989 |
| Data Year | 2026 |
Where is Islip Located?
Islip is located in United States, in the New York region, at coordinates 40.7567° latitude and -73.1989° longitude. Located in the mid-latitudes, Islip experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Islip?
The population of Islip is approximately 339,938 residents according to the latest available data (2026).
Where is Islip located?
Islip is located in United States at approximately 40.7567° latitude and -73.1989° longitude.
Is Islip one of the largest cities in United States?
With a population of 339,938, Islip is one of the notable urban areas in United States. It ranks #222 out of 867 cities in the country.
