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Seaford, New York
Census-designated place
Welcome to Seaford sign.jpg
Location in Nassau County and the state of New York.
Location in Nassau County and the state of New York.
Country United States
State New York
County Nassau
 • Total 2.6 sq mi (6.8 km2)
 • Land 2.6 sq mi (6.7 km2)
 • Water 0.0 sq mi (0.0 km2)
Elevation 10 ft (3 m)
Population (2010)
 • Total 15,294
 • Density 5,880/sq mi (2,249/km2)
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP code 11783
Area code(s) 516
FIPS code 36-66058
GNIS feature ID 0964724

Seaford is a census-designated place (CDP) in Nassau County, New York, United States. The population was 15,294 at the 2010 census.


U.S. Census Map

Seaford is located at 40°40′7″N 73°29′33″W / 40.66861°N 73.4925°W / 40.66861; -73.4925 (40.668702, -73.492459).

According to the United States Census Bureau, the CDP has a total area of 2.6 square miles (6.7 km2), of which 2.6 square miles (6.7 km2) is land and 0.38% is water.


The original settlers of Seaford were the Ustase, a Native American Indian tribe. They called the area "Great Water Land".

European settlement began with the arrival of Captain John Seaman, a native of Seaford, East Sussex, in England. After obtaining the patent for the area, Seaman oversaw the creation of Jerusalem South, the first European name given to the town which was to become Seaford. It was also widely referred to as Seaman's Neck.

During the 19th century, as villages across Long Island started to grow (due to the creation of the Long Island Rail Road), the town of Jerusalem South seemed to be unaffected. In 1868 the town was renamed to the current name of "Seaford", to honor Captain Seaman's home town in England. During this time, Seaford remained an agriculturally developed area. Over time, the town gained a post office, a church, and a one-room school, established in what would many years later become the first Seaford Fire Department building and today serves as the home of the Seaford Historical Museum. Although the town itself was practically unchanged, many New York City residents had discovered that the area was attractive as a summer retreat.

With the creation of Sunrise Highway in 1929, Seaford started to see a large influx of inhabitants. Before 1929 Seaford had approximately 1,200 citizens. Within 25 years this number would triple.


Cash crops such as corn and wheat were some of the earliest farmed within the Seaford area. Due to easy access to various waterfronts the attempts to fish and recover oysters were widely seen. At first this was a hard task considering the layers of land beneath the water. In the mid-19th century, baymen from the Seaford area created a type of small, round-bottomed boat called the "Seaford Skiff" that was used for fishing and market gunning (commercial waterfowl hunting).

With the popularity of hunting and fishing came the development of two hotels along Merrick Road: the Sportsman's Hotel, where Verity Moving is now located along new Route 135, and the Powell Hotel at Jackson Avenue. Many celebrities came to these hotels to go duck hunting in South Oyster Bay, including New York Yankees Babe Ruth and Lou Gehrig, as well as brewery owner Jake Rupert. Local guides, including Nelson Verity and Garner Paine, the Sheriff (and one of Long Island's first black officials), would take them to the bay for sport.

The Powell Hotel was torn down in 1977 to make room for the Long Island Savings Bank. Missing historical documents that would have saved the building by proving landmark status were said to only have been discovered in an eave during actual demolition.


As of the census of 2000, there were 15,791 people, 5,257 households, and 4,200 families residing in the CDP. The population density was 6,072.9 per square mile (2,345.0/km²). There were 5,358 housing units at an average density of 2,060.6/sq mi (795.7/km²). The racial makeup of the CDP was 99.80% White, 0.15% African American, 0.06% Native American, 0.68% Asian, 0.02% Pacific Islander, 0.54% from other races, and 0.59% from two or more races. Hispanic or Latino of any race were 1.71% of the population.

There were 5,257 households out of which 37.2% had children under the age of 18 living with them, 68.4% were married couples living together, 8.6% had a female householder with no husband present, and 20.1% were non-families. 16.3% of all households were made up of individuals and 8.3% had someone living alone who was 65 years of age or older. The average household size was 3.00 and the average family size was 3.38.

In the CDP, the population was spread out with 25.2% under the age of 18, 6.9% from 18 to 24, 30.2% from 25 to 44, 23.9% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.5 males. For every 100 females age 18 and older, there were 93.0 males.

The median income for a household in the CDP was $78,572, and the median income for a family was $85,751. Males had a median income of $60,092 versus $39,083 for females. The per capita income for the CDP was $29,244. About 2.8% of families and 3.6% of the population were below the poverty line, including 2.9% of those under age 18 and 3.9% of those age 65 or over.

Cedar Creek Park

Cedar Creek Park, located on the south end of Seaford on Merrick Road east of Wantagh Avenue, contains playgrounds and athletic fields, and offers a variety of community-based activities. The park is also the site of a sewage treatment plant.

During several months following Hurricane Sandy (October, 2012), Cedar Creek Park was the site of a relief and assistance center, providing services of the American Red Cross and the Federal Emergency Management Agency, and a central location for property insurance companies to advise customers regarding the filing of claims for property damage.


Seaford has a station on the Babylon Branch of the Long Island Rail Road.

Nassau Inter-County Express service in Seaford is provided by the n54 (which serves the train station) and the n19 (which runs along Merrick Road, south of the station).

Seaford Taxi and Airport Service services Seaford NY and surrounding areas and is the official local taxi service of Seaford NY.

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