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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Mount Sinai, NY

Mount Sinai, NY Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 11766StandardSuffolk12,635

Timezone(s):Eastern (GMT -05:00)
Counties:SUFFOLK, NY
Population:12,118 (More Details)
Male Population:5,914
Female Population:6,204
Median Age:42
ZIP Codes:1
Area Codes:2
Total Area:2,373 square miles (county)
Land Area:912 square miles (county)
Water Area:1,461 square miles (county)

Mount Sinai, NY Demographic Information *

Total population12,118
Male population5,914
Female population6,204
Median age (years)41.9
White Population11,157
Black Population180
Indian Population18
Asian Population487
Hawaiian Population8
Hispanic Population706
Median age (Male)41.4
Median age (Female)42.3
Total households4,080
Family households (families)3,391
Average household size2.96
Average family size3.26
Total housing units4,285
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],