Nassau, NY ZIP code
The ZIP code for Nassau, New York is 12123. It is in Rensselaer County.
- Population in these ZIPs
- 4,457
- Avg. median income
- $108,900population-weighted
- Typical home value
- $331,300population-weighted
- Metro area
- Albany-Schenectady-Troy, NY
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Nassau, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 12123 | 4,457 | $108,878 | $331,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Nassau
- East Schodack 4 mi
- Malden Bridge 4 mi
- North Chatham 4 mi
- Brainard 5 mi
- Castleton On Hudson 5 mi
- East Nassau 5 mi
- East Greenbush 6 mi
- Niverville 6 mi
- Old Chatham 7 mi
- Valatie 7 mi
- West Sand Lake 8 mi
- Schodack Landing 8 mi
Frequently asked questions
What is the ZIP code for Nassau, NY?
The ZIP code for Nassau, NY is 12123.
What county is Nassau, New York in?
Nassau ZIP codes are in Rensselaer County.