Island Park, New York Zip Codes
📍 Island Park is in Nassau County, New York with 1 zip code; the most populous is 11558.
Island Park is a USPS city name in Nassau County, New York with a Census population of approximately 8,532 across its ZIP codes. Nassau County as a whole has 110 ZIP codes in this directory. Below you'll find every zip code serving Island Park 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 Island Park Zip Codes
Island Park at a Glance
Island Park has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11558, has 8,532 residents.
Island Park's ZIP has a household income of $109,443 and a home value of $601,500, a price-to-income ratio of 5.5, far above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,212 a month.
64% of households in Island Park own their home (statewide ZIP median 80%). 36% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 9.0%, below the 9.9% statewide ZIP median. Overall density is about 5,688 residents per square mile across 2 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.
Island Park Zip Code Map
Interactive map of Island Park, New York zip codes. Click any marker for details.