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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Centereach, NY

Centereach, NY Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 11720StandardSuffolk29,189

Timezone(s):Eastern (GMT -05:00)
Counties:SUFFOLK, NY
Population:31,578 (More Details)
Male Population:15,769
Female Population:15,809
Median Age:39
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)

Centereach, NY Demographic Information *

Total population31,578
Male population15,769
Female population15,809
Median age (years)38.9
White Population26,956
Black Population970
Indian Population37
Asian Population1,956
Hawaiian Population7
Hispanic Population3,575
Median age (Male)37.3
Median age (Female)40.2
Total households10,026
Family households (families)8,042
Average household size3.13
Average family size3.45
Total housing units10,408
* 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],