ZIP code · Mount Sinai · New York · United States
ZIP code 11766 — Mount Sinai
ZIP code 11766 serves Mount Sinai, New York.
- Postal code
- 11766Single source Value from one source, not cross-checked.
- City
- Mount Sinai
- County
- Suffolk
- State
- New York
- Country
- United States
- Coordinates
- 40.9271, -73.0127 — precision precise (locality)
View on OpenStreetMap - Population
- 11,481 (ZCTA, ACS 5-year)
- Median household income
- $157,564
- Median age
- 47.7
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page