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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Uniondale, NY

Uniondale, NY Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 11553StandardNassau26,034
ZIP Code 11555UniqueNassau0
ZIP Code 11556StandardNassau17

Timezone(s):Eastern (GMT -05:00)
Counties:NASSAU, NY
Population:24,759 (More Details)
Male Population:11,972
Female Population:12,787
Median Age:35
ZIP Codes:3
Area Codes:2
Total Area:453 square miles (county)
Land Area:285 square miles (county)
Water Area:169 square miles (county)

Uniondale, NY Demographic Information *

Total population24,759
Male population11,972
Female population12,787
Median age (years)34.6
White Population6,049
Black Population12,020
Indian Population160
Asian Population507
Hawaiian Population21
Hispanic Population9,616
Median age (Male)33.2
Median age (Female)36.1
Total households6,084
Family households (families)4,818
Average household size3.96
Average family size4.13
Total housing units6,311
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],