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CITY

Seabrook Island

South Carolina · 2,171 residents (2025 est.) · 5.938 sq mi
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The short version

Seabrook Island is significantly wealthier than the US average, with a median household income of $127,500. The city has grown rapidly, with population up 76% since 2000. 78% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $1,001,400. With a median age of 68.9, the population is older than the US median of 38.9. It ranks in the top 5% of US cities for household income.

At a glance
Wealthier
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
Section 01

Population & growth

Total population
2,204
+76%since 2000
from 1,250 in 2000
1990 – 2025
Population density
371 / sq mi
+76%since 2000
from 211 / sq mi in 2000
US average: 281
Median age
68.9
+12%since 2000
from 61.7 in 2000
US average: 38.9

PEP 2025 EST:2,171 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
8041K2K2K2K1990201020202024Seabrook Island
20242K
1990201020202024
Section 02

Income & economy

Median household income
$127,500
+5%inflation adjusted, since 2000
from $66,548 in 2000
US average: $82,259
1990 – 2024
Per capita income
$132,020
+165%since 2000
from $49,863 in 2000
US average: $44,673
Households earning $100K+
73.3%
+7.6 ptssince 2009
from 65.7% in 2009
US average: 53.3%
Poverty rate
4.4%
+0.6 ptssince 2000
from 3.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.531
+11%since 2010
from 0.479 in 2010
US average: 0.476
Workforce by industry, 2024
Other services18.9%
US avg: 6.7%
Public administration12%
US avg: 4.8%
Retail trade7.3%
US avg: 9.9%
Wholesale trade7.1%
US avg: 6.9%
Transportation & warehousing4.1%
US avg: 2.2%
Information3.2%
US avg: 10.8%
Finance & insurance1.7%
US avg: 5.9%
Professional, scientific, technical1.7%
US avg: 5.1%
Arts, entertainment, food0.9%
US avg: 1.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$1,001,400
+28%inflation adjusted, since 2000
from $430,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$3,501
+105%inflation adjusted, since 2000
from $938 in 2000
US average: $1,442
Owner-occupied
95.8%
+3.6 ptssince 2000
from 92.1% in 2000
4.2% rent
Vacancy rate
51.4%
−8.3 ptssince 2009
from 59.7% in 2009
US average: 10.0%
Owner cost-burdened
28.7%
−4.6 ptssince 2009
from 33.3% in 2009
US average: 22.9%
Renter cost-burdened
34.0%
+8.4 ptssince 2009
from 25.5% in 2009
US average: 47.4%
Afford Score
7.9
+22%since 2000
from 6.5 in 2000
1990 – 2024
Gentrification Score
34
RELATED:See current rent listings in Seabrook Island on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.2%(1,203)
Black1.4%(18)
Hispanic / Latino0.9%(11)
Asian0.1%(1)
Other0%
Diversity Score6%(75)
2024
White, non-Hispanic96.1%(2,118)
Black0.2%(5)
Hispanic / Latino1.8%(40)
Asian0.6%(13)
Other1.3%(28)
Diversity Score9.5%(209)
Diversity Score
9
+59%since 2000
from 6 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
78.4%
+12.8 ptssince 2000
from 65.6% in 2000
US average: 35.6%
High school or higher
99.6%
+0.5 ptssince 2000
from 99.1% in 2000
US average: 89.6%
Graduate degree
38.1%
+17.5 ptssince 2000
from 20.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
28.2 min
+20%since 2000
from 23.5 min in 2000
US average: 26.5
Drive alone to work
47.4%
−13.6 ptssince 2009
from 61.0% in 2009
US average: 68.9%
Carpooled to work
2.4%
−3.2 ptssince 2009
from 5.6% in 2009
US average: 8.5%
Public transit
0.0%
−0.6 ptssince 2009
from 0.6% in 2009
US average: 3.2%
Worked from home
45.4%
+22.8 ptssince 2009
from 22.7% in 2009
US average: 15.0%
Walked to work
2.3%
+1.9 ptssince 2009
from 0.4% in 2009
US average: 2.4%
Biked to work
1.3%
−6.4 ptssince 2009
from 7.8% in 2009
US average: 0.4%
No vehicle available
1.7%
Unchangedsince 2009
from 1.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−5.6 ptssince 2011
from 5.6% in 2011
US average: 5.2%
Labor force participation
34.2%
−5.9 ptssince 2011
from 40.1% in 2011
US average: 63.5%
Self-employed
3.1%
−7.2 ptssince 2009
from 10.2% in 2009
US average: 13.1%
Management & professional
69.6%
−2.1 ptssince 2009
from 71.8% in 2009
US average: 42.5%
Section 08

People & community

Male
48.9%
−0.9 ptssince 2009
from 49.8% in 2009
Female
51.1%
+0.9 ptssince 2009
from 50.2% in 2009
Foreign born
2.3%
−2.9 ptssince 2009
from 5.2% in 2009
US average: 14.1%
Veterans
8.2%
−40.5 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
7.4%
−4.7 ptssince 2012
from 12.1% in 2012
US average: 13.3%
Uninsured
1.4%
−94.2 ptssince 2013
from 95.6% in 2013
US average: 8.4%
Broadband at home
98.9%
+6.0 ptssince 2017
from 92.9% in 2017
US average: 91.0%
English only at home
96.1%
+2.6 ptssince 2016
from 93.6% in 2016
US average: 77.7%
Spanish at home
1.0%
−2.5 ptssince 2016
from 3.5% in 2016
US average: 13.6%
Drill deeper

Places similar to Seabrook Island

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Pop 1,868
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Pop 2,140
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Pop 1,910
Old Miakka
Pop 1,818
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Head to head

Compare Seabrook Island to nearby cities

SEABROOK ISLAND VS
James Island
Income$104,217−18%
Home value$508,600−49%
Population12,660+483%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
Charleston
Income$92,414−28%
Home value$509,700−49%
Population159,423+7243%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
Mount Pleasant
Income$124,755−2%
Home value$748,500−25%
Population95,469+4297%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
North Charleston
Income$62,956−51%
Home value$302,200−70%
Population129,245+5853%
SEE FULL COMPARISON →
Frequently asked

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 about $3,501 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.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →