East Setauket, New York Zip Codes
📍 East Setauket is in Suffolk County, New York with 1 zip code; the most populous is 11733.
East Setauket is a USPS city name in Suffolk County, New York with a Census population of approximately 17,403 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving East Setauket 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 East Setauket Zip Codes
East Setauket at a Glance
East Setauket has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11733, has 17,403 residents.
East Setauket's ZIP has a household income of $174,931 and a home value of $653,100, a price-to-income ratio of 3.7, above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,386 a month.
85% of households in East Setauket own their home (statewide ZIP median 80%). 63% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 4.6%, far below the 9.9% statewide ZIP median. Overall density is about 1,487 residents per square mile across 12 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.
East Setauket Zip Code Map
Interactive map of East Setauket, New York zip codes. Click any marker for details.