East Atlantic Beach is a hamlet and census-designated place (CDP) located on the Long Beach Barrier Island in Nassau County, New York, United States. The population was 2,101 at the time of the 2020 census.

The unincorporated hamlet is governed by the Town of Hempstead – one of three towns in Nassau County.

Geography

thumb|left|U.S. Census map of East Atlantic Beach

According to the United States Census Bureau, the CDP has a total area of , of which is land and – or 55.88% – is water.

The hamlet is one of five municipalities located on Long Beach Barrier Island – a barrier island lying just south of Long Island. It is surrounded by the Atlantic Ocean to the south, Reynolds Channel on the north, the Village of Atlantic Beach to the west, and the City of Long Beach to the east.

Demographics

2020 census

As of the 2020 census, East Atlantic Beach had a population of 2,101. The median age was 49.8 years. 12.3% of residents were under the age of 18 and 22.7% of residents were 65 years of age or older. For every 100 females there were 102.6 males, and for every 100 females age 18 and over there were 101.9 males age 18 and over.

100.0% of residents lived in urban areas, while 0.0% lived in rural areas.

There were 860 households in East Atlantic Beach, of which 19.8% had children under the age of 18 living in them. Of all households, 50.3% were married-couple households, 20.1% were households with a male householder and no spouse or partner present, and 24.3% were households with a female householder and no spouse or partner present. About 26.1% of all households were made up of individuals and 12.6% had someone living alone who was 65 years of age or older. of 2000, there were 2,257 people, 887 households, and 587 families residing in the CDP. The population density was . There were 965 housing units at an average density of . The racial makeup of the CDP was 97.25% White, 0.31% African American, 0.13% Native American, 0.89% Asian, 0.66% from other races, and 0.75% from two or more races. Hispanic or Latino of any race were 3.54% of the population.

There were 887 households, out of which 28.7% had children under the age of 18 living with them, 53.2% were married couples living together, 9.1% had a female householder with no husband present, and 33.8% were non-families. 24.7% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.07.

In the CDP, the population was spread out, with 21.4% under the age of 18, 5.8% from 18 to 24, 32.5% from 25 to 44, 27.1% from 45 to 64, and 13.2% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 98.5 males. For every 100 females age 18 and over, there were 99.3 males.

The median income for a household in the CDP was $71,667, and the median income for a family was $86,356. Males had a median income of $60,871 versus $38,125 for females. The per capita income for the CDP was $34,429. None of the families and 1.6% of the population were living below the poverty line, including no under eighteens and 2.4% of those over 64.

Government

Law enforcement for East Atlantic Beach is provided by the 4th Precinct of the Nassau County Police Department.

The East Atlantic Beach Fire District is responsible for providing fire and emergency ambulance services. It covers roughly the eastern third of the East Atlantic Beach CDP.

East Atlantic Beach Park

East Atlantic Beach Park is a beach and park operated by the East Atlantic Beach Park District.

Only residents of the East Atlantic Beach Park District are able to use the park.

The park district covers roughly the western two-thirds of the East Atlantic Beach CDP. The comprehensive high school of the former is Lawrence High School.