With 2,204 people, Seabrook Island is a city in South Carolina. The median age is 68.9, about 30 years above the US median. This is an unusually credentialed place: 78% of adults have a four-year degree. The typical home is worth $1,001,400, having more than doubled since 2000. Households here earn about 84% more than in South Carolina as a whole. Owners hold 96% of the housing stock.
At a glance
Wealthier
median household income $127,500, above the US median
US median: $82,259
Older
median age 68.9
US median: 38.9
More educated
78% hold a bachelor's degree
US average: 36%
Less affordable
home values up 28%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Seabrook Island
What changed most since 1990
Population931 → 2,204(+137%)US over the same years: +35%
White share99.5% → 96.1%(−3.4 pts)US over the same years: −17.8 pts
Homes owned by their occupants83.3% → 95.8%(+12.5 pts)US over the same years: +0.9 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)0%(0)
US avg: 26.4%
Gulf War (1990s)6.1%(11)
US avg: 24.3%
Vietnam era67.8%(122)
US avg: 33.1%
Korean War6.7%(12)
US avg: 4.5%
World War II2.2%(4)
US avg: 1%
Share of the 180 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Seabrook Island, decade by decade
Seabrook Island population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
931
$136,698
$600,017
56.7%
1.3
2000
1,250
$121,228
$783,312
65.6%
9.2
2010
1,714
$139,062
$1,127,840
72.3%
9.1
2020
2,050
$121,525
$751,828
79.1%
8.0
2024
2,204
$127,500
$1,001,400
78.4%
9.5
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Seabrook Island, South Carolina?
Seabrook Island, South Carolina has about 2,204 residents according to the 2024 American Community Survey.
What is the median household income in Seabrook Island, South Carolina?
The typical household in Seabrook Island, South Carolina earns about $127,500 a year. Half of households make more than that, and half make less.
Is Seabrook Island, South Carolina expensive?
In Seabrook Island, South Carolina, the median home is worth about $1,001,400, and the typical rent is $3,500 or more a month.
How educated are people in Seabrook Island, South Carolina?
About 78.4% of adults age 25 and over in Seabrook Island, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Seabrook Island, South Carolina?
About 4.4% of people in Seabrook Island, South Carolina live below the federal poverty line.
Has Seabrook Island, South Carolina grown since 1990?
Yes, Seabrook Island, South Carolina has grown since 1990. The population has added about 1,273 residents, a change of about 137 percent over that period.
