Bayville, New York Zip Codes
📍 Bayville is in Nassau County, New York with 1 zip code; the most populous is 11709.
Bayville is a USPS city name in Nassau County, New York with a Census population of approximately 6,744 across its ZIP codes. Nassau County as a whole has 110 ZIP codes in this directory. Below you'll find every zip code serving Bayville 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 Bayville Zip Codes
Bayville at a Glance
Bayville has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11709, has 6,744 residents.
Bayville's ZIP has a household income of $143,571 and a home value of $670,500, a price-to-income ratio of 4.7, far above the 2.9 New York ZIP median. Median rent across these ZIPs is $1,974 a month.
87% of households in Bayville own their home (statewide ZIP median 80%). 55% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 3.8%, far below the 9.9% statewide ZIP median. Overall density is about 4,496 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.
Bayville Zip Code Map
Interactive map of Bayville, New York zip codes. Click any marker for details.