Poestenkill, New York Zip Codes
📍 Poestenkill is in Rensselaer County, New York with 1 zip code; the most populous is 12140.
Poestenkill is a USPS city name in Rensselaer County, New York with a Census population of approximately 1,526 across its ZIP codes. Rensselaer County as a whole has 32 ZIP codes in this directory. Below you'll find every zip code serving Poestenkill 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 Poestenkill Zip Codes
Poestenkill at a Glance
Poestenkill has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 12140, has 1,526 residents.
Poestenkill's ZIP has a household income of $120,476 and a home value of $305,400, a price-to-income ratio of 2.5, below the 2.9 New York ZIP median. Median rent across these ZIPs is $1,005 a month.
91% of households in Poestenkill own their home (statewide ZIP median 80%). 45% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 9.8%, in line with the 9.9% statewide ZIP median. Overall density is about 212 residents per square mile across 7 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.
Poestenkill Zip Code Map
Interactive map of Poestenkill, New York zip codes. Click any marker for details.