Petersburg, New York Zip Codes
📍 Petersburg is in Rensselaer County, New York with 1 zip code; the most populous is 12138.
Petersburg is a USPS city name in Rensselaer County, New York with a Census population of approximately 2,826 across its ZIP codes. Rensselaer County as a whole has 32 ZIP codes in this directory. Below you'll find every zip code serving Petersburg 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 Petersburg Zip Codes
Petersburg at a Glance
Petersburg has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 12138, has 2,826 residents.
Petersburg's ZIP has a household income of $78,693 and a home value of $181,800, a price-to-income ratio of 2.3, below the 2.9 New York ZIP median. Median rent across these ZIPs is $1,234 a month.
91% of households in Petersburg 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 7.6%, below the 9.9% statewide ZIP median. Overall density is about 32 residents per square mile across 90 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.
Petersburg Zip Code Map
Interactive map of Petersburg, New York zip codes. Click any marker for details.