Commack, New York Zip Codes
📍 Commack is in Suffolk County, New York with 1 zip code; the most populous is 11725.
Commack is a USPS city name in Suffolk County, New York with a Census population of approximately 29,050 across its ZIP codes. Suffolk County as a whole has 117 ZIP codes in this directory. Below you'll find every zip code serving Commack 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 Commack Zip Codes
Commack at a Glance
Commack has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 11725, has 29,050 residents.
Commack's ZIP has a household income of $168,324 and a home value of $643,000, a price-to-income ratio of 3.8, above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,358 a month.
93% of households in Commack own their home (statewide ZIP median 80%). 59% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 3.5%, far below the 9.9% statewide ZIP median. Overall density is about 2,995 residents per square mile across 10 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.
Commack Zip Code Map
Interactive map of Commack, New York zip codes. Click any marker for details.