Old Forge, New York Zip Codes
📍 Old Forge is in Herkimer County, New York with 1 zip code; the most populous is 13420.
Old Forge is a USPS city name in Herkimer County, New York with a Census population of approximately 890 across its ZIP codes. Herkimer County as a whole has 17 ZIP codes in this directory. Below you'll find every zip code serving Old Forge 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 Old Forge Zip Codes
Old Forge at a Glance
Old Forge has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13420, has 890 residents.
Old Forge's ZIP has a household income of $107,770 and a home value of $348,900, a price-to-income ratio of 3.2, above the 2.9 New York ZIP median.
87% of households in Old Forge own their home (statewide ZIP median 80%). 62% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 5.3%, below the 9.9% statewide ZIP median. Overall density is about 6 residents per square mile across 148 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.
Old Forge Zip Code Map
Interactive map of Old Forge, New York zip codes. Click any marker for details.