Islandia, NY Profile: Facts, Map & Data


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Islandia, New York - Basic Facts

The Village of Islandia had a population of 3,370 as of July 1, 2016. Islandia ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Islandia is located at latitude 40.8068 and longitude -73.1711 in Suffolk County. The formal boundaries for the Village of Islandia (see map below) encompass a land area of 2.22 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 66 feet.

The Village of Islandia (GNIS ID: 2390913) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Islandia is located within Town of Islip, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Islandia population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Village of Islandia, NY Boundary Map

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Islandia, NY Data & Demographics (As of July 1, 2016)


Total Population 3,370
Population in Households 3,166
Population in Familes 2,607
Population in Group Qrtrs 204
Population Density1 1,518
Diversity Index2 80


Total Households 1,038
Average Household Size 3.05
Family Households 731
Average Family Size 4


Total Housing Units 1,101 (100%)
Owner Occupied HU 916 (83.2%)
Renter Occupied HU 122 (11.1%)
Vacant Housing Units 63 ( 5.7%)
Median Home Value $330,612
Average Home Value $368,586


Median Household Income $96,071
Average Household Income $108,107
Per Capita Income $35,183
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.05% 0.08%
Households 0.03% 0.06%
Families -0.15% 0.0%
Median Household Income   1.54%
Per Capita Income   1.69%
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.

Islandia, NY - Peer Comparisons by Rank and Percentile

The table below compares Islandia to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2016 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 # 458 62nd
Population Density1 # 541 55th
Diversity Index2 # 37 97th
Median Household Income # 238 80th
Per Capita Income # 439 63rd

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

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