Uniondale, New York Zip Codes
📍 Uniondale is in Nassau County, New York with 4 zip codes; the most populous is 11553.
Uniondale is a USPS city name in Nassau County, New York with a Census population of approximately 28,344 across its ZIP codes. Nassau County as a whole has 110 ZIP codes in this directory. Below you'll find every zip code serving Uniondale with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Uniondale Zip Codes
Uniondale at a Glance
Uniondale has 4 ZIP codes in this directory: 4 standard delivery ZIPs. Its one ZIP with published Census housing data, 11553, has 28,344 residents.
Uniondale's ZIP has a household income of $105,994 and a home value of $486,100, a price-to-income ratio of 4.6, far above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,122 a month.
75% of households in Uniondale own their home (statewide ZIP median 80%). 22% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 11.1%, above the 9.9% statewide ZIP median. Overall density is about 8,589 residents per square mile across 3 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Uniondale Zip Code Map
Interactive map of Uniondale, New York zip codes. Click any marker for details.