Home > NY > Suffolk County > East Northport > Zip 11731

Zip Code 11731 — East Northport, NY

11731 is a ZIP Code associated with East Northport, NY, located within Suffolk. The postal region supports an estimated population of 29,999 residents across Data Pending housing units, with a population density of 1,392.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.862620, -73.317030)

Data MetricLocal Statistic
Postal / Zip Code11731
Primary CityEast Northport
State / ProvinceNY
CountySuffolk
Total Population29,999
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,392.0 people/sq mi
TimezoneAmerica/New_York

How 11731 Compares

MetricZIP 11731Suffolk CountyNY State Average
Population29,9991,476,04419,771,902
Median IncomeData PendingN/AN/A
Population Density1,392.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11740Greenlawn2.3 mi10,127N/A
Zip 11725Commack2.4 mi29,073N/A
Zip 11768Northport3.3 mi22,030N/A
Zip 11721Centerport3.5 mi6,426N/A
Zip 11754Kings Park4.0 mi17,565N/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 →