Shelter Island, NY Profile: Facts, Map & Data


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Shelter Island, New York - Basic Facts

The Shelter Island Census Designated Place had a population of 1,336 as of July 1, 2017. Shelter Island ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Shelter Island is located at latitude 41.0558 and longitude -72.319 in Suffolk County. The formal boundaries for the Shelter Island Census Designated Place (see map below) encompass a land area of 6.55 sq. miles and a water area of 0.14 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 52 feet.

The Shelter Island Census Designated Place (GNIS ID: 2390288) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Shelter Island Census Designated Place is located within Town of Shelter Island, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Shelter Island population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Shelter Island Census Designated Place, NY Boundary Map

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Shelter Island, NY Data & Demographics (As of July 1, 2017)


Total Population 1,336
Daytime Population: Workers 566
Daytime Population: Residents 581
Total Daytime Population (TDP) 1,147
Ratio TDP/Total Population1 0.86
Population in Households 1,336
Population in Familes 1,021
Population in Group Qrtrs 0
Population Density2 204
Diversity Index3 26


Median Household Income $89,392
Average Household Income $125,494
Per Capita Income $55,984


Total Housing Units 1,136 (100%)
Owner Occupied HU 448 (39.4%)
Renter Occupied HU 148 (13.0%)
Vacant Housing Units 540 (47.5%)
Median Home Value $1,000,001
Average Home Value $992,299


Total Households 596
Average Household Size 2.24
Family Households 363
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.03% 0.12%
Households -0.05% 0.07%
Families -0.23% -0.06%
Median Household Income   3.3%
Per Capita Income   2.94%

Shelter Island, NY - Peer Comparisons by Rank and Percentile

The table below compares Shelter Island to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2017 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 # 744 38th
Population Density # 1128 6th
Diversity Index # 548 54th
Median Household Income # 317 74th
Per Capita Income # 161 87th

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

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