Rensselaer County, New York Zip Codes
📍 Rensselaer County has 32 zip codes with a population of 160,817.
Rensselaer County is located in New York with a land area of 697 square miles. The county seat is Troy. Below you'll find all 32 zip codes in Rensselaer County with population, income and home value, the county's affordability profile, and links to its 28 city pages.
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 Rensselaer County Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 12018 | Averill Park | View → |
| 12022 | Berlin | View → |
| 12024 | Brainard | View → |
| 12028 | Buskirk | View → |
| 12033 | Castleton On Hudson | View → |
| 12040 | Cherry Plain | View → |
| 12052 | Cropseyville | View → |
| 12061 | East Greenbush | View → |
| 12062 | East Nassau | View → |
| 12063 | East Schodack | View → |
| 12082 | Grafton | View → |
| 12089 | Hoosick | View → |
| 12090 | Hoosick Falls | View → |
| 12094 | Johnsonville | View → |
| 12121 | Melrose | View → |
| 12123 | Nassau | View → |
| 12133 | North Hoosick | View → |
| 12138 | Petersburg | View → |
| 12140 | Poestenkill | View → |
| 12144 | Rensselaer | View → |
| 12153 | Sand Lake | View → |
| 12154 | Schaghticoke | View → |
| 12156 | Schodack Landing | View → |
| 12168 | Stephentown | View → |
| 12169 | Stephentown | View → |
| 12179 | Troy | View → |
| 12180 | Troy | View → |
| 12181 | Troy | View → |
| 12182 | Troy | View → |
| 12185 | Valley Falls | View → |
| 12196 | West Sand Lake | View → |
| 12198 | Wynantskill | View → |
Rensselaer County at a Glance
Rensselaer County has 32 ZIP codes in this directory: 32 standard delivery ZIPs. The 26 ZIPs with published Census housing data cover 160,817 residents, the largest being 12180 (Troy) with 54,071 people.
The median ZIP in Rensselaer County has a household income of $90,583 and a home value of $237,850, a price-to-income ratio of 2.6, below the 2.9 New York ZIP median. Affordability ranges from 12185 in Valley Falls at a ratio of 1.9 to 12196 in West Sand Lake, where the median home is $338,400. The highest median income is in 12018 (Averill Park) at $133,542. Median rent across these ZIPs is $1,139 a month.
83% of households in the typical Rensselaer County ZIP own their home (statewide ZIP median 80%). 31% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 8.3%, below the 9.9% statewide ZIP median. Overall density is about 231 residents per square mile across 697 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.
Rensselaer County Zip Code Map
Interactive map of Rensselaer County, New York zip codes.