East Islip, New York

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East Islip, New York
U.S. Census map
U.S. Census map
East Islip is located in New York
East Islip
East Islip
Location within the state of New York
Coordinates: 40°43′55″N 73°11′6″W / 40.73194°N 73.18500°W / 40.73194; -73.18500Coordinates: 40°43′55″N 73°11′6″W / 40.73194°N 73.18500°W / 40.73194; -73.18500
CountryUnited States
StateNew York
 • Total4.42 sq mi (11.45 km2)
 • Land3.95 sq mi (10.23 km2)
 • Water0.47 sq mi (1.22 km2)
16 ft (5 m)
 • Total13,931
 • Density3,525.94/sq mi (1,361.35/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
Area code631
FIPS code36-22315
GNIS feature ID0949137
Location of East Islip on Long Island

East Islip is a hamlet and CDP in the Town of Islip, Suffolk County, New York, United States. At the time of the 2010 census, the CDP had a population of 14,475.[2]

History and overview[edit]

Originally referred to as "East of Islip", the name was acquired in 1890 from the estate of William Nicoll, an English aristocrat who purchased the surrounding land in 1683 to erect a family residence. Nicoll's purchase comprised 51,000 acres (210 km2) from the Secatogue Indians, reaching as far as Bayport to the east, Babylon to the west and Ronkonkoma to the north. His mansion, Islip Grange, named after his family's ancestral estate at Northampshire, England, stood near the shoreline of what is now Heckscher State Park.

East Islip, as well as many hamlets along Long Island's south shore, was once an enclave for some of the nation's wealthiest families. Its estates at one time included the Hollins, Gulden, and Knapp estates, among others. An original estate mansion, Brookwood Hall, has passed from its last private owners, the Thorne family (originally of Great Neck during the Dutch colonial era) and now serves as a municipal building for the Town of Islip. The Sullivan estate became the home of the Hewlett School, a private boarding school which closed shortly after the turn of the century. Some estate and early farmlands were donated to the Roman Catholic church and make up the current grounds of St Mary's of East Islip, which includes a private elementary and middle school, in addition to church and other parish buildings. The original Westbrook farm on the boundary between East Islip and Oakdale, near the Bayard Cutting Arboretum, has ceased operations, and its fields are now the home of East Islip Soccer, near the fields set aside for the Little League of the Islips.

Today, modern East Islip is composed of much smaller, yet affluent communities and few estates. Many of these newer communities were built on the land that was once part of former estates that were sold off, most notably the estate of Percy G. Williams. The Moorings, an opulent waterfront guard-gated private community, is one of the hamlet's premier neighborhoods. Other neighborhoods within the hamlet include Deer Run and Country Village as well as the Beecher Estates.


East Islip is located at 40°43′55″N 73°11′6″W / 40.73194°N 73.18500°W / 40.73194; -73.18500 (40.731938, -73.185135).[3]

According to the United States Census Bureau, the CDP has a total area of 4.1 square miles (10.5 km2), of which 3.9 square miles (10.2 km2) is land and 0.12 square miles (0.3 km2), or 2.68%, is water.[2]

East Islip borders four other hamlets: Islip is to the west, Islip Terrace is to the north, North Great River is to the northeast, and Great River is to the east. The Great South Bay is to the south.[4] It is the home of an experimental shellfish hatchery operated by the Town of Islip, near the town-operated public beach on the bay.


Historical population
Census Pop.
U.S. Decennial Census[5]

Demographics for the CDP[edit]

As of the census[6] of 2000, there were 4,578 households, and 3,731 families residing in the CDP. The population density was 3,428.5 per square mile (1,322.5/km2). There were 4,661 housing units, at an average density of 1,135.1/sq mi (437.9/km2). The racial makeup of the CDP was 96.20% White, 3.89% Hispanic, 0.57% African American, 0.06% Native American, 1.41% Asian, 0.02% Pacific Islander, 0.96% from other races, and 0.78% from two or more races.

There were 4,578 households, out of which 42.9% had children under the age of 18 living with them, 68.0% were married couples living together, 10.0% had a female householder with no husband present, and 18.5% were non-families. 15.2% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older. The average household size was 3.03 and the average family size was 3.38.

The population of the CDP was spread out, with 28.5% under the age of 18, 6.3% from 18 to 24, 32.3% from 25 to 44, 21.1% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 95.2 males. For every 100 females age 18 and over, there were 90.1 males.

The median income for a household in the CDP was $71,106, and the median income for a family was $77,593. Males had a median income of $51,554 versus $36,959 for females. The per capita income for the CDP was $27,356. About 2.8% of families and 3.7% of the population were below the poverty line, including 4.3% of those under age 18 and 4.0% of those age 65 or over.


The East Islip School District serves the families of East Islip, Great River and Islip Terrace, and current enrollment is in the vicinity of 4,000 students. Two of the district's four elementary schools (John F. Kennedy Elementary School and Timber Point Elementary School) are located in East Islip, south of Montauk Highway.


East Islip is home to two public marinas and one private marina. Two additional marinas are operated in Great River within the grounds of the Timber Point Country Club, the site of East Islip's only golf course. East Islip continues its tradition of sports hunting and fishing, as its marinas are home to several annual fishing tournaments and its marshes continue to serve many duck and other water fowl hunters.

Notable people[edit]


  1. ^ "ArcGIS REST Services Directory". United States Census Bureau. Retrieved September 20, 2022.
  2. ^ a b "Geographic Identifiers: 2010 Demographic Profile Data (G001): East Islip CDP, New York". U.S. Census Bureau, American Factfinder. Archived from the original on 2020-02-12. Retrieved 2012-12-27.
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  4. ^ "2010 Census: Census Block Map (Index): Suffolk County, NY" (PDF). U.S. Census Bureau. Retrieved 2012-12-27.
  5. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  6. ^ "U.S. Census website". United States Census Bureau. Retrieved 2011-05-14.