Waterloo, New York Zip Codes
📍 Waterloo is in Seneca County, New York with 1 zip code; the most populous is 13165.
Waterloo is a USPS city name in Seneca County, New York with a Census population of approximately 9,429 across its ZIP codes. Seneca County as a whole has 8 ZIP codes in this directory. Below you'll find every zip code serving Waterloo 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 Waterloo Zip Codes
Waterloo at a Glance
Waterloo has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13165, has 9,429 residents.
Waterloo's ZIP has a household income of $63,915 and a home value of $118,600, a price-to-income ratio of 1.9, below the 2.9 New York ZIP median. Median rent across these ZIPs is $926 a month.
68% of households in Waterloo own their home (statewide ZIP median 80%). 21% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 10.8%, above the 9.9% statewide ZIP median. Overall density is about 138 residents per square mile across 68 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.
Waterloo Zip Code Map
Interactive map of Waterloo, New York zip codes. Click any marker for details.