Farmingville, New York Zip Codes
📍 Farmingville is in Suffolk County, New York with 1 zip code; the most populous is 11738.
Farmingville is a USPS city name in Suffolk County, New York with a Census population of approximately 20,246 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Farmingville 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 Farmingville Zip Codes
Farmingville at a Glance
Farmingville has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11738, has 20,246 residents.
Farmingville's ZIP has a household income of $139,008 and a home value of $455,000, a price-to-income ratio of 3.3, above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,789 a month.
80% of households in Farmingville own their home (statewide ZIP median 80%). 32% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 5.8%, below the 9.9% statewide ZIP median. Overall density is about 4,049 residents per square mile across 5 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.
Farmingville Zip Code Map
Interactive map of Farmingville, New York zip codes. Click any marker for details.