Seaford, New York

Seaford, New York
A Seaford welcome sign.
Location in Nassau County and the state of New York
Seaford, New York
Location on Long Island
Seaford, New York
Location within the state of New York
Coordinates: 40°40′7″N 73°29′33″W / 40.66861°N 73.49250°W / 40.66861; -73.49250
Country United States
State New York
CountyNassau
TownHempstead
Named afterSeaford, East Sussex
Area
  Total
2.67 sq mi (6.90 km2)
  Land2.61 sq mi (6.76 km2)
  Water0.06 sq mi (0.15 km2)
Elevation
10 ft (3 m)
Population
 (2020)
  Total
15,251
  Density5,843.30/sq mi (2,256.31/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
11783
Area code516
FIPS code36-66058
GNIS feature ID0964724
Websitewww.seaford.li

Seaford is a census-designated place in the town of Hempstead, Nassau County, on the South Shore of Long Island, in New York, United States. The population was 15,251 at the 2020 census.