Seabrook Island, South Carolina Population 2024

2,099

Seabrook Island is a city located in Charleston County South Carolina. Seabrook Island has a 2024 population of 2,099. Seabrook Island is currently growing at a rate of 0.53% annually and its population has increased by 2.14% since the most recent census, which recorded a population of 2,055 in 2020.

The average household income in Seabrook Island is $197,995 with a poverty rate of 5.77%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seabrook Island is 68.1 years, 68.6 years for males, and 67.5 years for females.

Seabrook Island Demographics

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

  • White: 97.53%
  • Two or more races: 1.75%
  • Black or African American: 0.53%
  • Native American: 0.19%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
5.9 sq mi
Density (mi²)
353.50/sq mi
Growth Since 2020
2.14% (44)
The current population of Seabrook Island, South Carolina is 2,099 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,055.

Seabrook Island, South Carolina Population 2024

Population by Race

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Race
Population
Percentage (of total)
White2,01197.53%
Two or more races361.75%
Black or African American110.53%
Native American40.19%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Seabrook Island Population by Race

Seabrook Island Population Pyramid 2024

Seabrook Island Median Age

68.1

Total

68.6

Male

67.5

Female

Seabrook Island Adults

There are 2,052 adults, (1,273 of whom are seniors) in Seabrook Island.

Seabrook Island Age Dependency

164.7

Age Dependency Ratio

163.4

Old Age Dependency Ratio

1.3

Child Dependency Ratio

Seabrook Island Sex Ratio

Female1,04250.53%
Male1,02049.47%

Seabrook Island Population by Age

Seabrook Island Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,1921.73946
Married8342.0395.64.4
Non Family3531.0390.49.6
Female52.21000
Male0000

2.03

Average Family Size

1.73

Average Household Size

94.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Seabrook Island Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade100.49%
9th to 12th Grade00%
High School Graduate1014.93%
Some College1557.57%
Associates Degree1055.13%
Bachelors Degree80839.47%
Graduate Degree86842.4%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Seabrook Island Educational Attainment by Sex (over 25)

Seabrook Island Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White1,9961,9861,628
2+ Races363633
Hispanic202017
Black111111
Native American444

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

The highest rate of bachelors degrees is among black people with a rate of 100%.

Seabrook Island Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$83,750$89,286$71,786
Less Than 9th Grade$0$0$0
High School Graduate$0$0$0
Some College$0$187,941$68,558
Bachelors Degree$99,167$107,813$88,036
Graduate Degree$60,938$0$0

$83,750

Average Earnings

$89,286

Average Male

$71,786

Average Female

Seabrook Island Earnings by Educational Attainment

Seabrook Island Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Seabrook Island Language

97.28% of Seabrook Island residents speak only English, while 2.72% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.18% of the population.

Seabrook Island Language

Seabrook Island Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,0111145.67%
Black11545.45%

5.77%

Overall Poverty Rate

6.37%

Male Poverty Rate

5.18%

Female Poverty Rate

Poverty in Seabrook Island

The race most likely to be in poverty in Seabrook Island is Black, with 45.45% below the poverty level.

The race least likely to be in poverty in Seabrook Island is White, with 5.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.9%. Among those working part-time, it was 1.56%, and for those that did not work, the poverty rate was 8.5%.

Seabrook Island Poverty

rate

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Rate
Poverty
High School7.92%
Some College5.77%
Bachelors or Greater5.73%
Less Than 9th Grade0%

Seabrook Island Poverty Rate by Education

rate

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Rate
Poverty
Female Employed1.56%
Male Employed0%
Male Unemployed0%
Female Unemployed0%

Seabrook Island Poverty Rate by Employment Status and Sex

Seabrook Island Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$117,386$197,995
Families$162,171$247,056
Married Families$162,500$-999,999,999
Non Families$67,679$81,388

mean

median

Income by Household Type

Seabrook Island Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

83.0%

Overall Marriage Rate

85.2%

Male Marriage Rate

80.9%

Female Marriage Rate

Seabrook Island Married by Age and Sex

male

female

Seabrook Island Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Seabrook Island Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Seabrook Island Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

227

Number of Veterans

227

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam155
First Gulf War18
Korea18
World War II4
Second Gulf War0

Seabrook Island Veterans by War

count

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Age Group
Veterans
65 to 74108
75+105
55 to 6414
18 to 340
35 to 540

Seabrook Island Veterans by Age

count

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Name
Veterans
% of Total
White22711.34%

Seabrook Island Veterans by Race

Seabrook Island Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

17.18%

Veteran Disability Rate

Seabrook Island Veterans by Education

LaborForceParticipation

32.4%

Labor Force Participation

32.2%

Employment Rate

0.7%

Unemployment Rate

Seabrook Island Employment by Age

LaborForceParticipation

Seabrook Island Employment by Race

LaborForceParticipation

Seabrook Island 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

10.33%

Born in Seabrook Island

97.91%

Native Born

2.09%

Foreign Born

0.34%

Non Citizen

1.75%

Naturalized

Place of Birth

97.91% of Seabrook Island residents were born in the United States, with 10.33% having been born in South Carolina. 0.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Seabrook Island Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20292,154110.51%
20282,143110.52%
20272,132110.52%
20262,121110.52%
20252,110110.52%
20242,099110.53%
20232,088110.53%
20222,077170.83%
20212,06050.24%
20202,05518810.07%
20191,86760.32%
20181,861-5-0.27%
20171,86610.05%
20161,865281.52%
20151,837301.66%
20141,807181.01%
20131,789191.07%
20121,770261.49%
20111,744271.57%
20101,71700%

Seabrook Island Population by Year