Belfast, New York Zip Codes
📍 Belfast is in Allegany County, New York with 1 zip code; the most populous is 14711.
Belfast is a USPS city name in Allegany County, New York with a Census population of approximately 1,861 across its ZIP codes. Allegany County as a whole has 28 ZIP codes in this directory. Below you'll find every zip code serving Belfast 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 Belfast Zip Codes
Belfast at a Glance
Belfast has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 14711, has 1,861 residents.
Belfast's ZIP has a household income of $59,828 and a home value of $88,900, a price-to-income ratio of 1.5, below the 2.9 New York ZIP median. Median rent across these ZIPs is $530 a month.
84% of households in Belfast own their home (statewide ZIP median 80%). 22% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 9.6%, in line with the 9.9% statewide ZIP median. Overall density is about 45 residents per square mile across 41 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.
Belfast Zip Code Map
Interactive map of Belfast, New York zip codes. Click any marker for details.