Westchester County, New York Zip Codes
📍 Westchester County has 92 zip codes with a population of 995,311.
Westchester County is located in New York with a land area of 429 square miles. The county seat is White Plains. Below you'll find all 92 zip codes in Westchester County with population, income and home value, the county's affordability profile, and links to its 63 city pages.
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 Westchester County Zip Codes
Westchester County at a Glance
Westchester County has 92 ZIP codes in this directory: 92 standard delivery ZIPs. The 70 ZIPs with published Census housing data cover 995,311 residents, the largest being 10701 (Yonkers) with 70,054 people.
The median ZIP in Westchester County has a household income of $148,390 and a home value of $672,600, a price-to-income ratio of 4.5, far above the 2.9 New York ZIP median. Affordability ranges from 10578 in Purdys at a ratio of 2.4 to 10580 in Rye, where the median home is $1,834,100. The highest median income is in 10502 (Ardsley) at more than $250,000. Median rent across these ZIPs is $2,030 a month.
76% of households in the typical Westchester County ZIP own their home (statewide ZIP median 80%). 61% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 5.7%, below the 9.9% statewide ZIP median. Overall density is about 2,318 residents per square mile across 429 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.
Westchester County Zip Code Map
Interactive map of Westchester County, New York zip codes.