Zip Code 11553 — Uniondale, NY

ZIP Code 11553 is associated with Uniondale, NY, in Nassau County. The listed population estimate is 27,875; estimated density is 3,323.7 people per square mile. Among records with population estimates, it ranks #22 of 68 in Nassau County and #236 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.705290, -73.592300)

Data MetricLocal Statistic
Postal / Zip Code11553
Primary CityUniondale
State / ProvinceNY
CountyNassau
Total Population27,875
Population Density3,323.7 people/sq mi
TimezoneAmerica/New_York

How 11553 Compares

MetricZIP 11553Nassau County recordsNY records
Population estimate27,8751,369,359 (sum)19,771,902 (sum)
Population Density3,323.7 /sq mi----
County population rank#22 of 68----
State population rank#236 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 11549Hempstead1.0 mi2,359
ZIP 11556Uniondale1.1 miN/A
ZIP 11550Hempstead1.5 mi60,960
ZIP 11575Roosevelt1.8 mi18,705
ZIP 11554East Meadow1.9 mi36,821

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 →