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Islip ( ) is a hamlet and census-designated place (CDP) that lies within the town of the same name in Suffolk County, New York. Located on the south shore of Long Island, the CDP had a population of 18,869 at the time of the 2010 census, a decline of 8% from the 2000 census.

History

William Nicoll, a son of New York City Mayor Matthias Nicoll, became a patentee in the 1680s of the east end of what is now the Town of Islip. He accumulated over and named his estate Islip, after the Nicolls' ancestral home in East Northamptonshire, England. His domain included what are now the hamlets of Islip, East Islip, Bayport, Sayville, West Sayville, Oakdale, Great River, Islip Terrace, Central Islip, Hauppauge, Holbrook, Bohemia, Brentwood, Holtsville, and a portion of Ronkonkoma. This land was purchased from Winnequaheagh, Sachem of Connetquot in 1683. The annual fee paid to Governor Thomas Dongan of New York was five bushels of good winter wheat or 25 shillings.

The Seatuck National Wildlife Refuge is located at the hamlet's southeastern corner.

As of the census of 2000, there were 20,575 people, 6,868 households and 5,302 families residing in Islip CDP. The population density was . There were 7,026 housing units, at an average density of . The racial makeup of Islip was 87.67% White, 10.67% Hispanic, 4.90% Black or African-American, 0.10% Native American, 2.07% Asian, 0.03% Pacific Islander, 3.02% from other races, and 2.22% from two or more races.

There were 6,868 households, out of which 38.4% had children under the age of 18 living with them, 61.4% were married couples living together, 12.0% had a female householder with no husband present, and 22.8% were non-families. 18.4% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older. The average household size was 2.97 and the average family size was 3.38.

Main Street

Islip Hamlet is known widely for its quaint shopping district along Main Street (NY 27A).

Education

Schools

thumb|Islip High School in 2018

The hamlet is in the Islip School District<!--UNI 15540-->, which consists of five schools.

  • Wing Elementary School (K–1)
  • Sherwood Elementary School (2–5)
  • Commack Road Elementary School (2–5)
  • Islip Middle School (6–8)
  • Islip High School (9–12)

The school district's mascot is the Buccaneer. The school district includes some territory within the adjacent areas of Bay Shore and Central Islip.

Library

Islip is served by the Islip Public Library, located at 71 Monell Avenue.