Shelter Island, New York Zip Codes
📍 Shelter Island is in Suffolk County, New York with 1 zip code; the most populous is 11964.
Shelter Island is a USPS city name in Suffolk County, New York with a Census population of approximately 2,858 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Shelter Island with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Shelter Island Zip Codes
Shelter Island at a Glance
Shelter Island has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11964, has 2,858 residents.
Shelter Island's ZIP has a household income of $129,826 and a home value of $998,700, a price-to-income ratio of 7.7, far above the 2.9 New York ZIP median.
94% of households in Shelter Island own their home (statewide ZIP median 80%). 52% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 3.7%, far below the 9.9% statewide ZIP median. Overall density is about 304 residents per square mile across 9 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Shelter Island Zip Code Map
Interactive map of Shelter Island, New York zip codes. Click any marker for details.