Port Byron, New York Zip Codes
📍 Port Byron is in Cayuga County, New York with 1 zip code; the most populous is 13140.
Port Byron is a USPS city name in Cayuga County, New York with a Census population of approximately 4,192 across its ZIP codes. Cayuga County as a whole has 19 ZIP codes in this directory. Below you'll find every zip code serving Port Byron 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 Port Byron Zip Codes
Port Byron at a Glance
Port Byron has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13140, has 4,192 residents.
Port Byron's ZIP has a household income of $60,135 and a home value of $111,900, a price-to-income ratio of 1.9, below the 2.9 New York ZIP median. Median rent across these ZIPs is $976 a month.
79% of households in Port Byron own their home (statewide ZIP median 80%). 9% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 16.6%, far above the 9.9% statewide ZIP median. Overall density is about 79 residents per square mile across 53 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.
Port Byron Zip Code Map
Interactive map of Port Byron, New York zip codes. Click any marker for details.