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 2026 population of 16,020. Seaford is currently growing at a rate of 0.28% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Seaford is $172,557 with a poverty rate of 3.58%. The median age in Seaford is 40.3 years: 39.1 years for males, and 41.3 years for females. For every 100 females there are 96.7 males.

16K
Total Population
6,138
Density (mi²)
45 0.28%
Growth

Seaford Population

Seaford Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616,020450.28%
202515,975460.29%

Median Age

Overall: 40.3 years
Female: 41.3 years
Male: 39.1 years

Seaford Adults

There are 12,149 adults, (2,693 of whom are seniors) in Seaford.

Sex Ratio

Female: 7,904 (50.8%)
Male: 7,645 (49.2%)

Demographics

The racial composition of Seaford includes 85.86% White, 3.97% Asian, 3.62% Black or African American, 3% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,35085.86%
Asian6183.97%
Black or African American5633.62%
Two or more races5323.42%
Other race4663%
Native American200.13%
Race
Population ↓
Percentage (of total)
White5943.82%
Two or more races3662.35%
Other race3302.12%
Black or African American180.12%
Native American40.03%
Race
Population ↓
Percentage (of total)
White12,75682.04%
Asian6183.97%
Black or African American5453.51%
Two or more races1661.07%
Other race1360.87%
Native American160.1%

Seaford Marital Status

Economics and Income Statistics

Seaford 's average per capita income is $87,792. Household income levels show a median of $172,557. The poverty rate stands at 3.58%.

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$190,303-
Families$183,889$209,086
Households$172,557$195,178
Non Families$83,906$100,841

$87,792

Average Income

$172,557

Median Household Income

3.58%

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)