CITY
Seaford
New York · 15,549 residents · 2.61 sq mi
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The short version
Seaford is significantly wealthier than the US average, with a median household income of $172,557. Population has held roughly steady since 2000. 46% of adults hold a bachelor's degree or higher. Median home value has more than doubled since 2000, reaching $658,300. Poverty is rare here, at 3.6% of residents. It ranks in the top 1% of US cities for household income.
At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 40.3
US median: 38.9
More educated
46% hold a bachelor's degree
US average: 36%
Less affordable
home values up 52%, inflation adjusted
US median home: $376,019
Section 01
Population & growth
Population, 1990 – 2024
202416K
Age distribution, 2024
Under 54.1%(641)
5 to 95.9%(914)
10 to 145.8%(898)
15 to 197.4%(1,153)
20 to 245.7%(888)
25 to 3414.8%(2,294)
35 to 4411.6%(1,804)
45 to 5411.1%(1,722)
55 to 6416.3%(2,542)
65 to 749.4%(1,460)
75 to 845.7%(887)
85 and over2.2%(346)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$172,557
+21%inflation adjusted, since 2000
from $78,572 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
84.8%
+17.0 ptssince 2009
from 67.7% in 2009
US average: 53.3%
Workforce by industry, 2024
Wholesale trade8.7%
Information8.1%
Other services7.4%
Public administration5.9%
Arts, entertainment, food4.5%
Finance & insurance4.3%
Professional, scientific, technical4%
Transportation & warehousing3.4%
Retail trade2.8%
Education & health services0.2%
Agriculture, forestry, fishing0%
Construction0%
Manufacturing0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$658,300
+52%inflation adjusted, since 2000
from $237,400 in 2000
US average: $376,019
1990 – 2024
3.8
−20%since 2009
from 4.8 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
53
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Seaford on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic93.8%(14,819)
Black0.2%(38)
Hispanic / Latino3.7%(586)
Asian1.6%(259)
Other0%
2024
White, non-Hispanic82%(12,756)
Black3.5%(545)
Hispanic / Latino8.4%(1,312)
Asian4%(618)
Other2%(318)
40
+139%since 2009
from 17 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
South American3.2%(490)
Puerto Rican2.5%(383)
Colombian1.7%(260)
Spaniard1.1%(167)
Dominican1%(149)
Ecuadorian0.7%(111)
Peruvian0.7%(107)
Central American0.6%(94)
Salvadoran0.4%(59)
Honduran0.2%(24)
Cuban0.1%(16)
Mexican0.1%(13)
+ 2 more hispanic origin groups with data
Argentine0.1%(12)
Nicaraguan0.1%(11)
Asian origin
Chinese1.2%(191)
Filipino0.9%(145)
Korean0.7%(107)
Asian Indian0.3%(46)
Vietnamese0.1%(12)
Japanese0%(3)
Ancestry
Italian29.3%(4,563)
Irish18.2%(2,828)
German13.4%(2,084)
Polish6.8%(1,056)
English3.2%(491)
Greek3.1%(489)
American3.1%(483)
Ukrainian2.9%(451)
French Canadian2.1%(325)
Russian1.7%(257)
French1.6%(243)
West Indian1.3%(202)
+ 26 more ancestry groups with data
Jamaican1.1%(171)
Norwegian1.1%(168)
Scottish0.9%(134)
Dutch0.7%(115)
Croatian0.4%(69)
Scotch-Irish0.4%(69)
Lithuanian0.3%(52)
Armenian0.3%(43)
Swedish0.2%(35)
Czech0.2%(33)
Arab0.2%(31)
Turkish0.2%(31)
Haitian0.2%(31)
Romanian0.2%(24)
Austrian0.1%(22)
Hungarian0.1%(19)
Egyptian0.1%(18)
Portuguese0.1%(18)
Swiss0.1%(15)
Lebanese0.1%(13)
Finnish0.1%(12)
Israeli0.1%(12)
Danish0.1%(11)
Bulgarian0.1%(10)
Slovak0.1%(10)
Guyanese0%(4)
Section 05
Education
High school or higher
97.3%
+5.1 ptssince 2000
from 92.1% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married32.3%(2,076)
Married60.3%(3,882)
Widowed1.5%(96)
Divorced5.9%(383)
Women 15+
Never married26.4%(1,760)
Married58%(3,860)
Widowed8.2%(548)
Divorced7.4%(491)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked
How many people live in Seaford, New York?
Seaford, New York has about 15,549 residents according to the 2024 American Community Survey.
What is the median household income in Seaford, New York?
The typical household in Seaford, New York earns about $172,557 a year. Half of households make more than that, and half make less.
Is Seaford, New York expensive?
In Seaford, New York, the median home is worth about $658,300, and the typical rent is about $2,489 a month.
How educated are people in Seaford, New York?
About 46.0% of adults age 25 and over in Seaford, New York hold a bachelor's degree or higher.
What is the poverty rate in Seaford, New York?
About 3.6% of people in Seaford, New York live below the federal poverty line.
Has Seaford, New York grown since 1990?
Yes, Seaford, New York has shrunk since 1990. The population has lost about 48 residents, a change of about -0 percent over that period.
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New YorkDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024