Seabrook Island Flag

Seabrook Island

County Seat:
No
Area (mi²):
5.938

Seabrook Island is a town located in Charleston County, South Carolina. Seabrook Island has a 2025 population of 2,155 . Seabrook Island is currently growing at a rate of 0.94% annually and its population has increased by 4.87% since the most recent census, which recorded a population of 2,055 in 2020.

The average household income in Seabrook Island is $207,605 with a poverty rate of 4.6%. The median age in Seabrook Island is 68.5 years: 69.1 years for males, and 68.2 years for females. For every 100 females there are 95.1 males.

2.2K
Total Population
363
Density (mi²)
20 0.94%
Growth

Seabrook Island Population

Seabrook Island Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seabrook Island includes 96.82% White, and smaller percentages for Two or more races, Asian, Black or African American, Native American and multiracial populations.

Population by Race

White (96.82%)

Two or more races (2.04%)

Asian (0.66%)

Black or African American (0.43%)

Native American (0.05%)

Race
Population
Percentage (of total)
White2,04096.82%
Two or more races432.04%
Asian140.66%
Black or African American90.43%
Native American10.05%

Seabrook Island Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seabrook Island's average per capita income is $80,147. Household income levels show a median of $124,519. The poverty rate stands at 4.6%.

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$170,208-
Families$169,803$257,670
Households$124,519$207,605
Non Families$71,059$74,871

$80,147

Average Income

$124,519

Median Household Income

4.6%

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)