Islip Terrace, NY Profile: Facts, Map & Data


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Islip Terrace, New York - Basic Facts

The Islip Terrace Census Designated Place is a community or populated place (Class Code U5) located in Suffolk County at latitude 40.7506 and longitude -73.1872. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 23 feet.

The formal official name is the Islip Terrace Census Designated Place, but most people and references simply refer to it as Islip Terrace, New York.

The U5 Census Class Code for Islip Terrace indicates a populated place that is also a census designated place with the same name.. The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.

The formal boundaries for the Islip Terrace Census Designated Place (see map below) encompass a land area of 1.34 sq. miles and a water area of 0 sq. miles.

Islip Terrace Census Designated Place, NY Boundary Map


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Boundary Maps: Town of Islip | Suffolk County | New York Counties

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Islip Terrace, NY Data & Demographics (As of July 1, 2014)


Total Population 5,482
Population in Households 5,482
Population in Familes 4,917
Population in Group Qrtrs 0
Population Density1 4,069
Diversity Index2 32


Total Households 1,744
Average Household Size 3.14
Family Households 1,412
Average Family Size 3


Total Housing Units 1,808 (100%)
Owner Occupied HU 1,540 (85.2%)
Renter Occupied HU 204 (11.3%)
Vacant Housing Units 64 ( 3.5%)
Median Home Value $365,172
Average Home Value $557,679


Median Household Income $97,309
Average Household Income $115,082
Per Capita Income $36,611
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.4% 0.37%
Households 0.56% 0.43%
Families 0.46% 0.37%
Median Household Income   1.9%
Per Capita Income   2.75%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Islip Terrace, NY - Peer Comparisons by Rank and Percentile

The table below compares Islip Terrace to the other 1,189 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2014 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 325 73rd
Population Density1 # 175 85th
Diversity Index2 # 405 66th
Median Household Income # 225 81st
Per Capita Income # 396 67th

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.