Mount Sinai, NY ZIP code
The ZIP code for Mount Sinai (also written Mt. Sinai), New York is 11766. It is in Suffolk County.
- Population in these ZIPs
- 10,750
- Avg. median income
- $153,200population-weighted
- Typical home value
- $771,800population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Mount Sinai, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 11766 | 10,750 | $153,235 | $771,800 |
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 Mount Sinai
- Port Jefferson Station 2 mi
- Miller Place 2 mi
- Port Jefferson 3 mi
- Sound Beach 3 mi
- Coram 4 mi
- Rocky Point 4 mi
- Middle Island 5 mi
- East Setauket 5 mi
- Selden 5 mi
- Centereach 6 mi
- Stony Brook 6 mi
- Shoreham 7 mi
Frequently asked questions
What is the ZIP code for Mount Sinai, NY?
The ZIP code for Mount Sinai, NY is 11766.
What county is Mount Sinai, New York in?
Mount Sinai ZIP codes are in Suffolk County.