Water Mill, New York Zip Codes
📍 Water Mill is in Suffolk County, New York with 1 zip code; the most populous is 11976.
Water Mill is a USPS city name in Suffolk County, New York with a Census population of approximately 2,447 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Water Mill 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 Water Mill Zip Codes
Water Mill at a Glance
Water Mill has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11976, has 2,447 residents.
Water Mill's ZIP has a household income of $158,000 and a home value of more than $2,000,000, a price-to-income ratio of at least 12.7, far above the 2.9 New York ZIP median. Median rent across these ZIPs is $3,200 a month.
91% of households in Water Mill own their home (statewide ZIP median 80%). 77% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 4.0%, far below the 9.9% statewide ZIP median. Overall density is about 188 residents per square mile across 13 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.
Water Mill Zip Code Map
Interactive map of Water Mill, New York zip codes. Click any marker for details.