Johnstown, New York Zip Codes
📍 Johnstown is in Fulton County, New York with 1 zip code; the most populous is 12095.
Johnstown is a USPS city name in Fulton County, New York with a Census population of approximately 12,013 across its ZIP codes. Fulton County as a whole has 7 ZIP codes in this directory. Below you'll find every zip code serving Johnstown 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 Johnstown Zip Codes
Johnstown at a Glance
Johnstown has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 12095, has 12,013 residents.
Johnstown's ZIP has a household income of $69,864 and a home value of $159,700, a price-to-income ratio of 2.3, below the 2.9 New York ZIP median. Median rent across these ZIPs is $860 a month.
67% of households in Johnstown own their home (statewide ZIP median 80%). 25% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 7.7%, below the 9.9% statewide ZIP median. Overall density is about 184 residents per square mile across 65 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.
Johnstown Zip Code Map
Interactive map of Johnstown, New York zip codes. Click any marker for details.