Shelter Island, NY 11964 ZIP Code Profile

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Shelter Island, NY

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ZIP Code 11964: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Shelter Island, NY 11964

Acceptable Alternative
Shelter Is, NY 11964

  • ZIP Code Type: PO BOX
  • County: Suffolk County
  • Centroid: Latitude 41.067, Longitude -72.337
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 138
  • PO Box Addresses: 1,077
  • Residential Addresses: 52
    • Multi-Family Addresses: 0
    • Single Family Addresses: 52

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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11964 ZIP Code Map

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Shelter Island, NY 11964 Data & Demographics (As of July 1, 2017)


Total Population 1,799
Daytime Population: Workers 694
Daytime Population: Residents 831
Total Daytime Population (TDP) 1,525
Ratio TDP/Total Population1 0.85
Population in Households 1,799
Population in Familes 1,364
Population in Group Qrtrs 0
Population Density2 189
Diversity Index3 25


Median Household Income $89,589
Average Household Income $126,711
Per Capita Income $57,826


Total Housing Units 1,852 (100%)
Owner Occupied HU 628 (33.9%)
Renter Occupied HU 193 (10.4%)
Vacant Housing Units 1,031 (55.7%)
Median Home Value $989,286
Average Home Value $958,838


Total Households 821
Average Household Size 2.19
Family Households 493
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% 0.11%
Households -0.05% 0.07%
Families -0.25% -0.04%
Median Household Income   2.8%
Per Capita Income   2.66%

Shelter Island, NY 11964 - Peer Comparisons by Rank and Percentile

The table below compares 11964 to the other 1,745 ZIP Codes 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 # 1114 36th
Population Density # 887 49th
Diversity Index # 778 55th
Median Household Income # 291 83rd
Per Capita Income # 131 93rd

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

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