Seaford, New York Population 2024

16,287

Seaford is a city located in Nassau County New York. Seaford has a 2024 population of 16,287. Seaford is currently growing at a rate of 1.35% annually and its population has increased by 7.48% since the most recent census, which recorded a population of 15,153 in 2020.

The average household income in Seaford is $184,776 with a poverty rate of 2.56%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seaford is 40.9 years, 38 years for males, and 42.7 years for females.

Seaford Demographics

According to the most recent ACS, the racial composition of Seaford was:

  • White: 88.75%
  • Asian: 3.73%
  • Two or more races: 3.27%
  • Black or African American: 2.43%
  • Other race: 1.61%
  • Native American: 0.21%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.6 sq mi
Density (mi²)
6,240.80/sq mi
Growth Since 2020
7.48% (1,134)
The current population of Seaford, New York is 16,287 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 15,153.

Seaford, New York Population 2024

Population by Race

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Race
Population
Percentage (of total)
White14,07088.75%
Asian5913.73%
Two or more races5193.27%
Black or African American3852.43%
Other race2551.61%
Native American330.21%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Seaford Population by Race

Seaford Population Pyramid 2024

Seaford Median Age

40.9

Total

38

Male

42.7

Female

Seaford Adults

There are 12,389 adults, (2,611 of whom are seniors) in Seaford.

Seaford Age Dependency

62.1

Age Dependency Ratio

26.7

Old Age Dependency Ratio

35.4

Child Dependency Ratio

Seaford Sex Ratio

Female7,89249.78%
Male7,96150.22%

Seaford Population by Age

Seaford Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,1373.0795.34.7
Married3,4543.45982
Non Family8881.1885.414.6
Female7123.6993.86.2
Male832.121000

3.38

Average Family Size

3.07

Average Household Size

95.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Seaford Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade1481.36%
Associates Degree1,33212.25%
Bachelors Degree2,62424.14%
Graduate Degree2,00618.45%
High School Graduate2,44722.51%
Less Than 9th Grade2232.05%
Some College2,09019.23%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Seaford Educational Attainment by Sex (over 25)

Seaford Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White9,2678,9803,873
Hispanic819761234
Asian404390345
2+ Races30230188
Black250250110
Other Race12211017
Native American242420

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 85.4%.

Seaford Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$100,899$118,882$91,410
Graduate Degree$116,033$109,180$121,786
High School Graduate$51,897$83,578$36,306
Less Than 9th Grade$45,403$46,653$27,847
Overall$85,170$93,469$72,500
Some College$64,020$84,688$38,913

$85,170

Average Earnings

$93,469

Average Male

$72,500

Average Female

Seaford Earnings by Educational Attainment

Seaford Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Seaford Language

87.7% of Seaford residents speak only English, while 12.3% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.62% of the population.

Seaford Language

Seaford Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White13,2022031.54%
Hispanic1,31019614.96%
Other25513050.98%
Black38551.3%

2.56%

Overall Poverty Rate

2.53%

Male Poverty Rate

2.59%

Female Poverty Rate

Poverty in Seaford

The race most likely to be in poverty in Seaford is Other, with 50.98% below the poverty level.

The race least likely to be in poverty in Seaford is Black, with 1.3% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.31%. Among those working part-time, it was 2.22%, and for those that did not work, the poverty rate was 4.7%.

Seaford Poverty

rate

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Rate
Poverty
Less Than 9th Grade7.55%
High School4.58%
Bachelors or Greater1.17%
Some College0.5%

Seaford Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed18.61%
Female Employed1.4%
Male Employed0.36%
Female Unemployed0%

Seaford Poverty Rate by Employment Status and Sex

Seaford Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$168,081$193,048
Households$149,413$184,776
Married Families$177,679$-999,999,999
Non Families$73,214$105,673

mean

median

Income by Household Type

Seaford Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.0%

Overall Marriage Rate

56.9%

Male Marriage Rate

53.2%

Female Marriage Rate

Seaford Married by Age and Sex

male

female

Seaford Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Seaford Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Seaford Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

507

Number of Veterans

492

Male Veterans

15

Female Veterans

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War
Veterans
Vietnam196
Korea118
Second Gulf War68
First Gulf War10
World War II9

Seaford Veterans by War

count

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Age Group
Veterans
75+247
65 to 74131
35 to 5472
55 to 6444
18 to 3413

Seaford Veterans by Age

count

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Name
Veterans
% of Total
White4814.29%
Asian266.44%

Seaford Veterans by Race

Seaford Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.97%

Veteran Poverty Rate

30.97%

Veteran Disability Rate

Seaford Veterans by Education

LaborForceParticipation

67.6%

Labor Force Participation

63.8%

Employment Rate

5.7%

Unemployment Rate

Seaford Employment by Age

LaborForceParticipation

Seaford Employment by Race

LaborForceParticipation

Seaford Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

86.72%

Born in Seaford

92.06%

Native Born

7.94%

Foreign Born

0.33%

Non Citizen

7.6%

Naturalized

Place of Birth

92.06% of Seaford residents were born in the United States, with 86.72% having been born in New York. 0.33% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Seaford Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202416,2872171.35%
202316,0702171.37%
202215,8532171.39%
202115,6364833.19%
202015,1531130.75%
201915,040-73-0.48%
201815,113-292-1.9%
201715,405-486-3.06%
201615,8912351.5%
201515,6562511.63%
201415,405-122-0.79%
201315,5272761.81%
201215,2511861.23%
201115,065-229-1.5%
201015,29400%

Seaford Population by Year