Zip Code 11557 — Hewlett, NY

ZIP Code 11557 is associated with Hewlett, NY, in Nassau County. The listed population estimate is 8,504; estimated density is 1,610.0 people per square mile. Among records with population estimates, it ranks #51 of 68 in Nassau County and #574 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.637230, -73.692100)

Data MetricLocal Statistic
Postal / Zip Code11557
Primary CityHewlett
State / ProvinceNY
CountyNassau
Total Population8,504
Population Density1,610.0 people/sq mi
TimezoneAmerica/New_York

How 11557 Compares

MetricZIP 11557Nassau County recordsNY records
Population estimate8,5041,369,359 (sum)19,771,902 (sum)
Population Density1,610.0 /sq mi----
County population rank#51 of 68----
State population rank#574 of 1,778----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in NY

ZIP CodeCityDistancePopulation estimate
ZIP 11598Woodmere1.1 mi13,599
ZIP 11518East Rockaway1.3 mi10,149
ZIP 11581Valley Stream1.6 mi22,818
ZIP 11563Lynbrook1.7 mi22,899
ZIP 11516Cedarhurst2.0 mi9,112

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 →