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 2026 population of 2,175. Seabrook Island is currently growing at a rate of 0.93% annually and its population has increased by 5.84% since the most recent census, which recorded a population of 2,055 in 2020.

The median household income in Seabrook Island is $127,500 with a poverty rate of 4.4%. The median age in Seabrook Island is 68.9 years: 69.5 years for males, and 68.3 years for females. For every 100 females there are 95.6 males.

2.2K
Total Population
366
Density (mi²)
20 0.93%
Growth

Seabrook Island Population

Seabrook Island Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,175200.93%
20252,155200.94%
20242,135241.14%
20232,111311.49%
20222,080190.92%
20212,06160.29%
20202,05550.24%
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%
20111,744301.75%
20101,71730.18%

Median Age

Overall: 68.9 years
Female: 68.3 years
Male: 69.5 years

Seabrook Island Adults

There are 2,197 adults, (1,399 of whom are seniors) in Seabrook Island.

Sex Ratio

Female: 1,127 (51.1%)
Male: 1,077 (48.9%)

Demographics

The racial composition of Seabrook Island includes 96.37% White, and smaller percentages for Two or more races, Asian, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,12496.37%
Two or more races612.77%
Asian130.59%
Black or African American50.23%
Native American10.05%
Race
Population ↓
Percentage (of total)
Two or more races341.54%
White60.27%
Race
Population ↓
Percentage (of total)
White2,11896.1%
Two or more races271.23%
Asian130.59%
Black or African American50.23%
Native American10.05%

Seabrook Island Marital Status

Economics and Income Statistics

Seabrook Island 's average per capita income is $86,776. Household income levels show a median of $127,500. The poverty rate stands at 4.4%.

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$201,080-
Families$200,398$292,970
Households$127,500$229,809
Non Families$72,775$68,037

$86,776

Average Income

$127,500

Median Household Income

4.4%

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)