Home > NY > Suffolk County > East Moriches > Zip 11940

Zip Code 11940 — East Moriches, NY

11940 is a ZIP Code associated with East Moriches, NY, located within Suffolk. 11940 ranks #68 out of 108 ZIP codes in Suffolk County by population (and #678 out of 1,826 in NY). The area supports an estimated population of 5,819 residents across Data Pending housing units, with a population density of 448.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.808190, -72.756640)

Data MetricLocal Statistic
Postal / Zip Code11940
Primary CityEast Moriches
State / ProvinceNY
CountySuffolk
Total Population5,819
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density448.4 people/sq mi
TimezoneAmerica/New_York

How 11940 Compares

MetricZIP 11940Suffolk CountyNY State Average
Population5,8191,476,044 (Total)19,771,902 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density448.4 /sq mi----
County Pop Rank#68 of 108----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11934Center Moriches2.0 mi9,418N/A
Zip 11941Eastport2.5 mi2,814N/A
Zip 11960Remsenburg2.6 mi830N/A
Zip 11972Speonk3.1 mi334N/A
Zip 11955Moriches3.5 mi2,458N/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 →