Johnsburg, New York Zip Codes
📍 Johnsburg is in Warren County, New York with 1 zip code; the most populous is 12843.
Johnsburg is a USPS city name in Warren County, New York with a Census population of approximately 729 across its ZIP codes. Warren County as a whole has 23 ZIP codes in this directory. Below you'll find every zip code serving Johnsburg 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 Johnsburg Zip Codes
Johnsburg at a Glance
Johnsburg has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 12843, has 729 residents.
Johnsburg's ZIP has a household income of $65,227 and a home value of $172,000, a price-to-income ratio of 2.6, below the 2.9 New York ZIP median.
95% of households in Johnsburg own their home (statewide ZIP median 80%). 17% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 8.5%, below the 9.9% statewide ZIP median. Overall density is about 23 residents per square mile across 32 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.
Johnsburg Zip Code Map
Interactive map of Johnsburg, New York zip codes. Click any marker for details.