Oswego, New York Zip Codes
📍 Oswego is in Oswego County, New York with 1 zip code; the most populous is 13126.
Oswego is a USPS city name in Oswego County, New York with a Census population of approximately 36,199 across its ZIP codes. Oswego County as a whole has 27 ZIP codes in this directory. Below you'll find every zip code serving Oswego 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 Oswego Zip Codes
Oswego at a Glance
Oswego has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13126, has 36,199 residents.
Oswego's ZIP has a household income of $63,590 and a home value of $134,600, a price-to-income ratio of 2.1, below the 2.9 New York ZIP median. Median rent across these ZIPs is $992 a month.
66% of households in Oswego own their home (statewide ZIP median 80%). 29% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 17.0%, far above the 9.9% statewide ZIP median. Overall density is about 359 residents per square mile across 101 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.
Oswego Zip Code Map
Interactive map of Oswego, New York zip codes. Click any marker for details.