Saint James, New York Zip Codes
📍 Saint James is in Suffolk County, New York with 1 zip code; the most populous is 11780.
Saint James is a USPS city name in Suffolk County, New York with a Census population of approximately 15,586 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Saint James 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 Saint James Zip Codes
Saint James at a Glance
Saint James has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11780, has 15,586 residents.
Saint James's ZIP has a household income of $141,576 and a home value of $702,900, a price-to-income ratio of 5.0, far above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,322 a month.
87% of households in Saint James own their home (statewide ZIP median 80%). 52% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 2.4%, far below the 9.9% statewide ZIP median. Overall density is about 1,355 residents per square mile across 12 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.
Saint James Zip Code Map
Interactive map of Saint James, New York zip codes. Click any marker for details.