Old Bethpage, New York Zip Codes
📍 Old Bethpage is in Nassau County, New York with 1 zip code; the most populous is 11804.
Old Bethpage is a USPS city name in Nassau County, New York with a Census population of approximately 4,613 across its ZIP codes. Nassau County as a whole has 110 ZIP codes in this directory. Below you'll find every zip code serving Old Bethpage 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 Old Bethpage Zip Codes
Old Bethpage at a Glance
Old Bethpage has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11804, has 4,613 residents.
Old Bethpage's ZIP has a household income of $159,145 and a home value of $772,900, a price-to-income ratio of 4.9, far above the 2.9 New York ZIP median.
90% of households in Old Bethpage own their home (statewide ZIP median 80%). 70% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 1.5%, far below the 9.9% statewide ZIP median. Overall density is about 1,648 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.
Old Bethpage Zip Code Map
Interactive map of Old Bethpage, New York zip codes. Click any marker for details.