Buchanan, New York Zip Codes
📍 Buchanan is in Westchester County, New York with 1 zip code; the most populous is 10511.
Buchanan is a USPS city name in Westchester County, New York with a Census population of approximately 2,296 across its ZIP codes. Westchester County as a whole has 92 ZIP codes in this directory. Below you'll find every zip code serving Buchanan 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 Buchanan Zip Codes
Buchanan at a Glance
Buchanan has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 10511, has 2,296 residents.
Buchanan's ZIP has a household income of $127,375 and a home value of $492,000, a price-to-income ratio of 3.9, above the 2.9 New York ZIP median. Median rent across these ZIPs is $1,670 a month.
88% of households in Buchanan own their home (statewide ZIP median 80%). 46% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 3.7%, far below the 9.9% statewide ZIP median. Overall density is about 1,531 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.
Buchanan Zip Code Map
Interactive map of Buchanan, New York zip codes. Click any marker for details.