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ZIP Code Database - Facts & Stats

Data Last Updated: August 1, 2022

ZIP Codes for City of Southold, NY

Southold, NY Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 11971StandardSuffolk5,818631 / 934

Timezone(s):Eastern (GMT -05:00)
Counties:SUFFOLK, NY
Population:5,748 (More Details)
Male Population:2,802
Female Population:2,946
Median Age:50
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)

Southold, NY Demographic Information *

Total population5,748
Male population2,802
Female population2,946
Median age (years)49.7
White Population5,395
Black Population46
Indian Population2
Asian Population47
Hawaiian Population22
Hispanic Population482
Median age (Male)47.9
Median age (Female)51.4
Total households2,414
Family households (families)1,644
Average household size2.37
Average family size2.84
Total housing units3,996
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 8/1/2022],
  2. Internal Data Creation [Last Updated: 8/1/2022],
  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],