Marlboro, NY ZIP code
The ZIP code for Marlboro, New York is 12542. It is in Ulster County.
- Population in these ZIPs
- 5,612
- Avg. median income
- $121,400population-weighted
- Typical home value
- $472,300population-weighted
- Metro area
- Kingston, NY
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Marlboro, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 12542 | 5,612 | $121,378 | $472,300 |
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 Marlboro
Frequently asked questions
What is the ZIP code for Marlboro, NY?
The ZIP code for Marlboro, NY is 12542.
What county is Marlboro, New York in?
Marlboro ZIP codes are in Ulster County.