Great River, New York Zip Codes
📍 Great River is in Suffolk County, New York with 1 zip code; the most populous is 11739.
Great River is a USPS city name in Suffolk County, New York with a Census population of approximately 1,191 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Great River 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 Great River Zip Codes
Great River at a Glance
Great River has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11739, has 1,191 residents.
Great River's ZIP has a household income of $133,393 and a home value of $840,400, a price-to-income ratio of 6.3, far above the 2.9 New York ZIP median.
96% of households in Great River own their home (statewide ZIP median 80%). 59% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 0.4%, far below the 9.9% statewide ZIP median. Overall density is about 331 residents per square mile across 4 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.
Great River Zip Code Map
Interactive map of Great River, New York zip codes. Click any marker for details.