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About Mattituck, New York

Mattituck is a census-designated place in Suffolk County, New York, United States. The population was 4,219 at the 2010 census. Mattituck CDP roughly corresponds to the hamlet (unincorporated community) by the same name in the town of Southold.

News from Mattituck

Mattituck Facts

  • Population Total: 4,219
  • Square Miles: 8.6
  • Area Code: 631
  • Elevation: 13
  • Postal Codes: 11952
  • Timezone: North American Eastern