Willet, New York Zip Codes
📍 Willet is in Cortland County, New York with 1 zip code; the most populous is 13863.
Willet is a USPS city name in Cortland County, New York with a Census population of approximately 430 across its ZIP codes. Cortland County as a whole has 12 ZIP codes in this directory. Below you'll find every zip code serving Willet 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 Willet Zip Codes
Willet at a Glance
Willet has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13863, has 430 residents.
Willet's ZIP has a household income of $71,188 and a home value of $103,500, a price-to-income ratio of 1.5, below the 2.9 New York ZIP median. Median rent across these ZIPs is $822 a month.
92% of households in Willet own their home (statewide ZIP median 80%). 15% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 13.0%, above the 9.9% statewide ZIP median. Overall density is about 35 residents per square mile across 12 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.
Willet Zip Code Map
Interactive map of Willet, New York zip codes. Click any marker for details.