Mattituck, New York

Mattituck, New York
Mattituck Inlet
Mattituck
Coordinates: 40°59′41″N 72°32′14″W / 40.99472°N 72.53722°W / 40.99472; -72.53722
CountryUnited States
StateNew York
CountySuffolk
TownSouthold
Area
  Total
12.10 sq mi (31.35 km2)
  Land8.98 sq mi (23.26 km2)
  Water3.12 sq mi (8.09 km2)
Elevation
13 ft (4 m)
Population
 (2020)
  Total
4,322
  Density481.24/sq mi (185.80/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP Code
11952
Area code631
FIPS code36-46140
GNIS feature ID0956678

Mattituck is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States. The population was 4,584 in 2023 according to the World Population Review. Located in the Town of Southold, Mattituck CDP roughly corresponds to the hamlet by the same name.