Town Of Shelter Island NY Demographic Data and Boundary Map


Town Of Shelter Island, NY

The Town Of Shelter Island is a County Subdivision of Suffolk County. The subdivision has a T1 Census Class Code which indicates that the Town Of Shelter Island is an active county subdivision that is not coextensive with an incorporated place.

Also See: Suffolk County Data | Cities in Suffolk County | County Subdivisions in Suffolk County

Town Of Shelter Island Boundary Map


Town Of Shelter Island Data & Demographics (As of July 1, 2018)


Total Population 2,386
Population in Households 2,386
Population in Familes 1,813
Population in Group Qrtrs 0
Population Density1 196
Diversity Index2 25


Total Households 1,117
Average Household Size 2.14
Family Households 664
Average Family Size 3


Total Housing Units 2,754 (100%)
Owner Occupied HU 873 (31.7%)
Renter Occupied HU 244 ( 8.9%)
Vacant Housing Units 1,637 (59.4%)
Median Home Value $1,030,469
Average Home Value $1,065,263


Median Household Income $93,711
Average Household Income $138,032
Per Capita Income $64,619
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.03% -0.02%
Households -0.12% -0.04%
Families -0.29% -0.15%
Median Household Income   2.99%
Per Capita Income   3.73%
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.