Seaford

County:: Nassau County
County Seat:: No
Area (mi²):: 2.61
State:: New York

Seaford is a CDP located in Nassau County, New York. Seaford has a 2025 population of 15,993. Seaford is currently growing at a rate of 0.29% annually and its population has increased by 5.54% since the most recent census, which recorded a population of 15,153 in 2020.

The average household income in Seaford is $186,636 with a poverty rate of 3.07%. The median age in Seaford is 40.4 years: 37.4 years for males, and 42.5 years for females.

Demographics

The racial composition of Seaford includes 87.17% White, 3.9% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	13,846	87.17%
Asian	619	3.9%
Two or more races	577	3.63%
Other race	425	2.68%
Black or African American	381	2.4%
Native American	36	0.23%
Native Hawaiian or Pacific Islander	0	0%

Seaford Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seaford's average per capita income is $85,802. Household income levels show a median of $156,488. The poverty rate stands at 3.07%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$185,664	-
Families	$177,560	$202,858
Households	$156,488	$186,636
Non Families	$66,731	$87,499

$85,802

Average Income

$156,488

Median Household Income

3.07%

Poverty Rate