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Zip Code 11566 — Merrick, NY

11566 is a ZIP Code associated with Merrick, NY, located within Nassau. 11566 ranks #14 out of 69 ZIP codes in Nassau County by population (and #180 out of 1,826 in NY). The area supports an estimated population of 34,741 residents across Data Pending housing units, with a population density of 2,468.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.663070, -73.554070)

Data MetricLocal Statistic
Postal / Zip Code11566
Primary CityMerrick
State / ProvinceNY
CountyNassau
Total Population34,741
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,468.9 people/sq mi
TimezoneAmerica/New_York

How 11566 Compares

MetricZIP 11566Nassau CountyNY State Average
Population34,7411,369,359 (Total)19,771,902 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density2,468.9 /sq mi----
County Pop Rank#14 of 69----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11710Bellmore1.3 mi34,834N/A
Zip 11520Freeport1.8 mi44,910N/A
Zip 11575Roosevelt2.0 mi18,705N/A
Zip 11793Wantagh2.6 mi32,349N/A
Zip 11510Baldwin3.0 mi35,701N/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 →