Islip, New York

Islip: Town in New York, United States


Islip is a town located in the county of Suffolk in the U.S. state of New York. Its population at the 2010 census was 335,543 and a population density of 2,059 people per km². After 10 years in 2020 city had an estimated population of 322,328 inhabitants.

The town was created 341 years ago in 1682.

Islip is a town in Suffolk County, New York situated on the south shore of Long Island. With over 320,000 residents, it is one of the largest towns in New York.

Early History

The first European settlers arrived in Islip in the mid-17th century. The town was named after Islip in England and officially founded in 1683.

The town's initial development centered around agriculture and seaports. Much of the economy focused on cattle grazing, timber harvesting to build ships, and fishing. Its location on South Shore made Islip well-situated as a maritime center.

In the early 19th century, the construction of South Side Railroad connected Islip to Manhattan and boosted tourism. Resorts, beach hotels, and restaurants started thriving in town.

Growth in the 20th Century

As with other Long Island towns, Islip saw enormous population growth after WWII due to suburban sprawl. Between 1950 to 1980, the population grew almost 600% from 26,000 to over 200,000.

Several large suburban communities like Bay Shore, Brentwood, and Central Islip emerged during this time. The Long Island Expressway's construction in the 1950s further enabled suburb growth.

Islip Today

Present-day Islip retains its diversity of communities, from waterfront neighborhoods to more urban downtowns. The population continues to grow steadily, nearing 350,000 as of 2010.

The town contains MacArthur Airport, one of New York’s primary regional airports. The airport and proximity to NYC make Islip a popular commuter town.

Islip also features miles of beaches, parks, nature preserves, and historic sites that provide recreational activities for residents and visitors alike. The Islip Gull was first identified in 1785 along the Great South Bay, making the town significant for ornithology.

Islip balances its history as a maritime village and early resort town with its growth into a leading Long Island suburb today.

Islip locator map
Location of Islip on New York map.

Quick Facts about Islip

Population : 322,328 (2020)
Country : United States of America
State : New York (United States)
County : Suffolk County
Postal code : 11751
Phone Area Codes : 631
Area : 162.98 km2
Altitude : 7 feet / 2 meters
Establishment : January 01, 1683 (341 years ago)
Time Zone : America/New_York
Local time : 03:28:21 (18th April 2024)
Density : 1,978 Pop. per km² as of 2020
Population growth : -4.1% (2010-2020)
Islip Town Hall image
Islip Town Hall
Islip Town Hall image


Islip is located at 40°43'47"N 73°12'37"W (40.7298200, -73.2103900).

Islip map


According to census records, the population of Islip decreased by 4.1% in 10 years.

Year Population % Change Method
2010 335,543 - census
2011 336,490 0.28% estimation process
2012 335,920 -0.17% estimation process
2013 335,744 -0.05% estimation process
2014 334,971 -0.23% estimation process
2015 333,793 -0.35% estimation process
2016 332,181 -0.49% estimation process
2017 331,193 -0.3% estimation process
2018 330,619 -0.17% estimation process
2019 329,610 -0.31% estimation process
2020 322,328 -2.26% estimation process

Islip zip code is 11751. County name: Suffolk, County fips: 36103

Ajslip, ISP, aslyb, Ајслип, إسليب

People born in Islip (20)

People born in Islip, including basketball player Tobias Harris, soccer player Alan Mayer, psychiatrist Dallas Pratt, .


  • Dawn Ellerbe (American hammer thrower) she was born in 03/04/1974
  • Gerald Warner Brace (Novelist, writer, educator, sailor, boat builder) he was born in 24/09/1901
  • Jonathan Thompson (American politician) he was born in 07/12/1773
  • Ron Nehring (former Chairman, California Republican Party) he was born in 20/05/1970
  • Scott Langer (American ice hockey coach) he was born in 17/05/1974
  • Sue Weber (American soccer player) she was born in 01/04/1986
  • Vincent Fecteau (American artist) he was born in 01/01/1969
  • William Ludlow (United States Army officer) he was born in 27/11/1843
  • Patti Wicks (American musician and pianist) she was born in 24/02/1945
  • John Rando (American theatre director)
  • Kyle Rank (American ice hockey goaltender) he was born in 13/08/1987
  • George Eustis Paine (New York politician) he was born in 27/08/1920
  • Joe Vaux (American animator) he was born in 01/01/1972
  • Marissa Skell (American actress) she was born in 01/08/1986
  • Kris Statlander (American professional wrestler) she was born in 07/08/1995
  • Larry Saperstein (American Actor) he was born in 12/04/1998
  • Tredwell Scudder (American politician (1778-1834)) he was born in 01/01/1778

Schools in Islip

College & universities near Islip, NY

Code Name City ZIP
418065 Eastern Suffolk BOCES Brentwood (NY) 11717
481243 New York Institute of Beauty Islandia (NY) 11749-1479
486886 Eastern Suffolk BOCES Oakdale (NY) 11769-1650
195933 Branford Hall Career Institute-Bohemia Campus Bohemia (NY) 11716
383297 Long Island Beauty School-Hauppauge Hauppauge (NY) 11788

Stations (16)

Amtrak & bus stations near Islip, NY

Code Name Address Type
STM Stamford Transportation Center Washington Blvd and South State St. RAIL
BRP Bridgeport 525 Water St. RAIL
NRO New Rochelle station 1 Railroad Plaza RAIL
YNY Yonkers station 5 Buena Vista Ave. RAIL
NYP Pennsylvania Station 8th Ave 31st Street / 8th Ave 33rd Street RAIL

Post offices near Islip

Post Office Name City ZIP
Isl Post Office Islip (NY) 11751
East Isl Post Office East Islip (NY) 11730
Islip Terra Post Office Islip Terrace (NY) 11752
Bay Shor Post Office Bay Shore (NY) 11706
Bay Shor Post Office Bay Shore (NY) 11706

Other cities in Suffolk County

Cities, towns, neighborhoods & other populated places in Suffolk County , NY. (more)

City Name Population Title
Brookhaven 479,883 Town in Suffolk County, New York, United States
Babylon 218,223 A town in Suffolk County, New York.
Huntington 200,102 Town in Suffolk County, New York, United States
Smithtown 110,876 Census-designated place in Suffolk County, New York
Brentwood 60,664 Census-designated place in Suffolk County, New York
Southampton 58,549 Town in Suffolk County, New York, partly on the South Fork of Long Island, USA
West Babylon 43,213 Census-designated place in Suffolk County, New York
Coram 39,113 Census-designated place in Suffolk County, New York
Commack 36,124 Census-designated place in Suffolk County, New York
Central Islip 34,450 Census-designated place in Suffolk County, New York
Riverhead 33,434 Town in New York
Huntington Station 33,029 Census-designated place in Suffolk County, New York
Centereach 31,578 Census-designated place in Suffolk County, New York
West Islip 28,335 Census-designated place in Suffolk County, New York
Shirley 27,854 Census-designated place in New York, USA
Holbrook 27,195 City in and county seat of Navajo County, Arizona, United States

Distance to Other Cities

Islip distances to largest New York cities