Oswegatchie, New York Zip Codes
📍 Oswegatchie is in Saint Lawrence County, New York with 1 zip code; the most populous is 13670.
Oswegatchie is a USPS city name in Saint Lawrence County, New York with a Census population of approximately 382 across its ZIP codes. Saint Lawrence County as a whole has 47 ZIP codes in this directory. Below you'll find every zip code serving Oswegatchie 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 Oswegatchie Zip Codes
Oswegatchie at a Glance
Oswegatchie has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13670, has 382 residents.
Oswegatchie's ZIP has a household income of $32,500 and a home value of $61,700, a price-to-income ratio of 1.9, below the 2.9 New York ZIP median.
90% of households in Oswegatchie own their home (statewide ZIP median 80%). 4% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 23.8%, far above the 9.9% statewide ZIP median. Overall density is about 5 residents per square mile across 79 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.
Oswegatchie Zip Code Map
Interactive map of Oswegatchie, New York zip codes. Click any marker for details.