Thornwood, New York Zip Codes
📍 Thornwood is in Westchester County, New York with 1 zip code; the most populous is 10594.
Thornwood is a USPS city name in Westchester County, New York with a Census population of approximately 5,512 across its ZIP codes. Westchester County as a whole has 92 ZIP codes in this directory. Below you'll find every zip code serving Thornwood 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 Thornwood Zip Codes
Thornwood at a Glance
Thornwood has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 10594, has 5,512 residents.
Thornwood's ZIP has a household income of $166,417 and a home value of $683,600, a price-to-income ratio of 4.1, above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,148 a month.
89% of households in Thornwood own their home (statewide ZIP median 80%). 48% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 4.0%, far below the 9.9% statewide ZIP median. Overall density is about 2,120 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.
Thornwood Zip Code Map
Interactive map of Thornwood, New York zip codes. Click any marker for details.