Home > NY > Suffolk County > Centerport > Zip 11721

Zip Code 11721 — Centerport, NY

11721 is a ZIP Code associated with Centerport, NY, located within Suffolk. 11721 ranks #65 out of 108 ZIP codes in Suffolk County by population (and #647 out of 1,826 in NY). The area supports an estimated population of 6,426 residents across Data Pending housing units, with a population density of 989.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.893620, -73.370090)

Data MetricLocal Statistic
Postal / Zip Code11721
Primary CityCenterport
State / ProvinceNY
CountySuffolk
Total Population6,426
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density989.0 people/sq mi
TimezoneAmerica/New_York

How 11721 Compares

MetricZIP 11721Suffolk CountyNY State Average
Population6,4261,476,044 (Total)19,771,902 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density989.0 /sq mi----
County Pop Rank#65 of 108----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11740Greenlawn2.0 mi10,127N/A
Zip 11768Northport2.6 mi22,030N/A
Zip 11743Huntington3.1 mi43,490N/A
Zip 11731East Northport3.5 mi29,999N/A
Zip 11724Cold Spring Harbor4.7 mi3,073N/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 →