Cassville, New York Zip Codes
📍 Cassville is in Oneida County, New York with 1 zip code; the most populous is 13318.
Cassville is a USPS city name in Oneida County, New York with a Census population of approximately 982 across its ZIP codes. Oneida County as a whole has 57 ZIP codes in this directory. Below you'll find every zip code serving Cassville 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 Cassville Zip Codes
Cassville at a Glance
Cassville has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 13318, has 982 residents.
Cassville's ZIP has a household income of $78,125 and a home value of $161,100, a price-to-income ratio of 2.1, below the 2.9 New York ZIP median. Median rent across these ZIPs is $789 a month.
93% of households in Cassville 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 12.9%, above the 9.9% statewide ZIP median. Overall density is about 40 residents per square mile across 25 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.
Cassville Zip Code Map
Interactive map of Cassville, New York zip codes. Click any marker for details.