Seaford Flag

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. For every 100 females there are 102.3 males.

16K
Total Population
6,128
Density (mi²)
47 0.29%
Growth

Seaford Population

Seaford Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

White (87.17%)

Asian (3.9%)

Two or more races (3.63%)

Other race (2.68%)

Black or African American (2.4%)

Native American (0.23%)

Race
Population
Percentage (of total)
White13,84687.17%
Asian6193.9%
Two or more races5773.63%
Other race4252.68%
Black or African American3812.4%
Native American360.23%

Seaford Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)