De Kalb Junction, New York Zip Codes
📍 De Kalb Junction is in Saint Lawrence County, New York with 1 zip code; the most populous is 13630.
De Kalb Junction is a USPS city name in Saint Lawrence County, New York with a Census population of approximately 1,307 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 De Kalb Junction 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 De Kalb Junction Zip Codes
De Kalb Junction at a Glance
De Kalb Junction has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13630, has 1,307 residents.
De Kalb Junction's ZIP has a household income of $67,000 and a home value of $85,100, a price-to-income ratio of 1.3, far below the 2.9 New York ZIP median.
95% of households in De Kalb Junction 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 5.6%, below the 9.9% statewide ZIP median. Overall density is about 29 residents per square mile across 46 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.
De Kalb Junction Zip Code Map
Interactive map of De Kalb Junction, New York zip codes. Click any marker for details.