Seaford, Delaware Population 2024

9,020

Seaford is a city located in Sussex County Delaware. Seaford has a 2024 population of 9,020. Seaford is currently growing at a rate of 2.87% annually and its population has increased by 12.89% since the most recent census, which recorded a population of 7,990 in 2020.

The average household income in Seaford is $62,951 with a poverty rate of 20.23%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seaford is 43.4 years, 41.4 years for males, and 45.5 years for females.

Seaford Demographics

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

  • White: 55.77%
  • Black or African American: 31.48%
  • Two or more races: 8.06%
  • Asian: 3.13%
  • Other race: 1.56%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
5.1 sq mi
Density (mi²)
1,776.10/sq mi
Growth Since 2020
12.89% (1,030)
The current population of Seaford, Delaware is 9,020 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 7,990.

Seaford, Delaware Population 2024

Population by Race

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Race
Population
Percentage (of total)
White4,49255.77%
Black or African American2,53631.48%
Two or more races6498.06%
Asian2523.13%
Other race1261.56%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Seaford Population by Race

Seaford Population Pyramid 2024

Seaford Median Age

43.4

Total

41.4

Male

45.5

Female

Seaford Adults

There are 6,343 adults, (1,673 of whom are seniors) in Seaford.

Seaford Age Dependency

72.5

Age Dependency Ratio

35.8

Old Age Dependency Ratio

36.7

Child Dependency Ratio

Seaford Sex Ratio

Female4,13851.37%
Male3,91748.63%

Seaford Population by Age

Seaford Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,3922.2950.149.9
Married1,2772.9979.720.3
Non Family1,1621.2638.361.7
Female6772.6329.870.2
Male2762.521288
showing: 5 rows

2.75

Average Family Size

2.29

Average Household Size

50.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Seaford Households and Families

Male

Female

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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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The highest rate of high school graduation is among other race people with a rate of 91.49%.

The highest rate of bachelors degrees is among asian people with a rate of 32.69%.

Seaford Educational Attainment by Race

All

Male

Female

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$40,260

Average Earnings

$47,917

Average Male

$29,617

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

80.22% of Seaford residents speak only English, while 19.78% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 10.82% of the population.

Seaford Language

Seaford Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White4,03165716.3%
Black2,48964625.95%
Hispanic63032351.27%
Multiple59414925.08%
Other1263830.16%
showing: 5 rows

20.23%

Overall Poverty Rate

22.03%

Male Poverty Rate

18.51%

Female Poverty Rate

Poverty in Seaford

The race most likely to be in poverty in Seaford is Hispanic, with 51.27% below the poverty level.

The race least likely to be in poverty in Seaford is White, with 16.3% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.73%. Among those working part-time, it was 19.9%, and for those that did not work, the poverty rate was 28.57%.

Seaford Poverty

rate

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Rate
Poverty
Less Than 9th Grade25.46%
High School23.52%
Some College19.43%
Bachelors or Greater3.48%
showing: 4 rows

Seaford Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed38.46%
Male Employed14.23%
Female Employed9.35%
Male Unemployed
showing: 4 rows

Seaford Poverty Rate by Employment Status and Sex

Seaford Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Seaford Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

38.9%

Overall Marriage Rate

42.2%

Male Marriage Rate

36.0%

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 Over 65, 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

537

Number of Veterans

503

Male Veterans

34

Female Veterans

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Seaford Veterans by War

count

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Seaford Veterans by Age

count

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Seaford Veterans by Race

Seaford Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.84%

Veteran Poverty Rate

55.51%

Veteran Disability Rate

Seaford Veterans by Education

LaborForceParticipation

59.6%

Labor Force Participation

52.8%

Employment Rate

11.5%

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

44.11%

Born in Seaford

88.62%

Native Born

11.38%

Foreign Born

6.05%

Non Citizen

5.34%

Naturalized

Place of Birth

88.62% of Seaford residents were born in the United States, with 44.11% having been born in Delaware. 6.05% 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
202910,2802522.51%
202810,0282522.58%
20279,7762522.65%
20269,5242522.72%
20259,2722522.79%
20249,0202522.87%
20238,7682522.96%
20228,5162523.05%
20218,2642743.43%
20207,990-56-0.7%
20198,0461571.99%
20187,8891612.08%
20177,7281522.01%
20167,5761441.94%
20157,4321301.78%
20147,3021231.71%
20137,179971.37%
20127,082801.14%
20117,002861.24%
20106,9162173.24%
20006,6991,01017.75%
19905,6894338.24%
19805,256-281-5.07%
19705,5371,10724.99%
19604,4301,34343.51%
19503,08728310.09%
19402,804
showing: 27 rows

Seaford Population by Year