Home > NY > Suffolk County > Westhampton Beach > Zip 11978

Zip Code 11978 — Westhampton Beach, NY

11978 is a ZIP Code associated with Westhampton Beach, NY, located within Suffolk. The postal region supports an estimated population of 4,705 residents across Data Pending housing units, with a population density of 178.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.828780, -72.646690)

Data MetricLocal Statistic
Postal / Zip Code11978
Primary CityWesthampton Beach
State / ProvinceNY
CountySuffolk
Total Population4,705
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density178.6 people/sq mi
TimezoneAmerica/New_York

How 11978 Compares

MetricZIP 11978Suffolk CountyNY State Average
Population4,7051,476,04419,771,902
Median IncomeData PendingN/AN/A
Population Density178.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11977Westhampton1.7 mi2,843N/A
Zip 11959Quogue1.9 mi734N/A
Zip 11972Speonk2.8 mi334N/A
Zip 11960Remsenburg3.4 mi830N/A
Zip 11942East Quogue3.9 mi5,406N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →