Gainesville, New York Zip Codes
📍 Gainesville is in Wyoming County, New York with 1 zip code; the most populous is 14066.
Gainesville is a USPS city name in Wyoming County, New York with a Census population of approximately 1,004 across its ZIP codes. Wyoming County as a whole has 19 ZIP codes in this directory. Below you'll find every zip code serving Gainesville 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 Gainesville Zip Codes
Gainesville at a Glance
Gainesville has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 14066, has 1,004 residents.
Gainesville's ZIP has a household income of $69,688 and a home value of $131,000, a price-to-income ratio of 1.9, below the 2.9 New York ZIP median. Median rent across these ZIPs is $706 a month.
90% of households in Gainesville own their home (statewide ZIP median 80%). 23% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 10.2%, in line with the 9.9% statewide ZIP median. Overall density is about 27 residents per square mile across 37 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.
Gainesville Zip Code Map
Interactive map of Gainesville, New York zip codes. Click any marker for details.