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CITY · 2020 ACS

Seabrook Island

South Carolina · 2,050 residents · 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 $100,265. The city has grown rapidly, with population up 64% since 2000. 79% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value is $620,300. With a median age of 68.0, the population is older than the US median of 38.8. Households here earn about 83% more than the South Carolina median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 68.0
US median: 38.8
More educated
79% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
2,050
+64%since 2000
from 1,250 in 2000
1990 – 2025
Median age
68.0
+10%since 2000
from 61.7 in 2000
US average: 38.8
Population, 1990 – 2024
8041K2K2K2K1990201020202024Seabrook Island
20242K
1990201020202024
Age distribution, 2020
Under 50.5%(10)
US avg: 5.6%
5 to 90.9%(19)
US avg: 6.1%
10 to 141.5%(31)
US avg: 6.5%
15 to 191%(20)
US avg: 6.6%
20 to 241.2%(25)
US avg: 6.7%
25 to 341.7%(34)
US avg: 13.5%
35 to 442.8%(58)
US avg: 12.7%
45 to 546%(123)
US avg: 12.3%
55 to 6423.3%(477)
US avg: 13.1%
65 to 7438.7%(793)
US avg: 10%
75 to 8418.6%(382)
US avg: 4.9%
85 and over3.8%(78)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$100,265
Unchangedinflation adjusted, since 2000
from $66,548 in 2000
US average: $66,278
1990 – 2024
Per capita income
$85,123
+71%since 2000
from $49,863 in 2000
US average: $35,364
Households earning $100K+
62.6%
−3.2 ptssince 2009
from 65.7% in 2009
US average: 43.9%
Poverty rate
6.8%
+3.0 ptssince 2000
from 3.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services14.9%
US avg: 6.6%
Public administration6.5%
US avg: 4.7%
Wholesale trade5.3%
US avg: 6.7%
Information5.3%
US avg: 11.1%
Retail trade5.1%
US avg: 10%
Transportation & warehousing2.4%
US avg: 2.5%
Arts, entertainment, food1.5%
US avg: 2%
Finance & insurance1.4%
US avg: 5.5%
Professional, scientific, technical1.4%
US avg: 4.7%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$620,300
−4%inflation adjusted, since 2000
from $430,000 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$3,281
+133%inflation adjusted, since 2000
from $938 in 2000
US average: $1,124
Owner-occupied
92.3%
+0.2 ptssince 2000
from 92.1% in 2000
7.7% rent
Afford Score
6.2
−16%since 2009
from 7.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2020
White, non-Hispanic96.7%(1,983)
Black0.5%(10)
Hispanic / Latino1%(21)
Asian0.4%(9)
Other0.3%(7)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Ancestry
English25.4%(459)
Irish19.9%(360)
German15.7%(285)
American9.9%(179)
Scottish6.3%(114)
Italian5.1%(92)
Polish4.4%(79)
Scotch-Irish2.9%(53)
French2.7%(49)
Russian2.5%(46)
Swedish1.9%(35)
British1%(18)
+ 19 more ancestry groups with data
Norwegian1%(18)
Dutch0.8%(15)
Welsh0.8%(15)
Danish0.7%(13)
Lithuanian0.6%(11)
Austrian0.6%(10)
Slovak0.6%(10)
Hungarian0.5%(9)
Portuguese0.5%(9)
Ukrainian0.4%(8)
Lebanese0.3%(6)
Croatian0.3%(5)
Czech0.3%(5)
Syrian0.2%(4)
Belgian0.2%(4)
Finnish0.2%(4)
Serbian0.2%(4)
Greek0.2%(3)
RANKED:Largest English population · Largest Irish population · Largest German population · Largest American population · Largest Scottish population
Section 05

Education

Bachelor's degree or higher
79.1%
+13.5 ptssince 2000
from 65.6% in 2000
US average: 32.9%
High school or higher
100.0%
+0.9 ptssince 2000
from 99.1% in 2000
US average: 88.5%
Graduate degree
42.5%
+21.9 ptssince 2000
from 20.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
29.2 min
+24%since 2000
from 23.5 min in 2000
US average: 26.9
Drive alone to work
54.8%
−6.2 ptssince 2009
from 61.0% in 2009
US average: 75.1%
No vehicle available
2.1%
+0.4 ptssince 2009
from 1.7% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
0.7%
−5.0 ptssince 2011
from 5.6% in 2011
US average: 5.4%
Labor force participation
32.8%
−7.3 ptssince 2011
from 40.1% in 2011
US average: 63.4%
Management & professional
73.8%
+2.0 ptssince 2009
from 71.8% in 2009
US average: 39.3%
Section 08

People & community

Male
48.2%
−1.5 ptssince 2009
from 49.8% in 2009
Female
51.8%
+1.5 ptssince 2009
from 50.2% in 2009
Foreign born
3.0%
−2.2 ptssince 2009
from 5.2% in 2009
US average: 13.5%
Uninsured
2.3%
−93.3 ptssince 2013
from 95.6% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married3.8%(41)
Married86.6%(933)
Widowed2.8%(30)
Divorced6.8%(73)
Women 15+
Never married1.1%(12)
Married82.9%(929)
Widowed8.8%(98)
Divorced7.2%(81)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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+4%
Home value$508,600−18%
Population12,660+483%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
Charleston
Income$92,414−8%
Home value$509,700−18%
Population159,423+7243%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
Mount Pleasant
Income$124,755+24%
Home value$748,500+21%
Population95,469+4297%
SEE FULL COMPARISON →
SEABROOK ISLAND VS
North Charleston
Income$62,956−37%
Home value$302,200−51%
Population129,245+5853%
SEE FULL COMPARISON →
Frequently asked

How many people live in Seabrook Island, South Carolina?

Seabrook Island, South Carolina has about 2,050 residents according to the 2020 American Community Survey.

What is the median household income in Seabrook Island, South Carolina?

The typical household in Seabrook Island, South Carolina earns about $100,265 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 $620,300, and the typical rent is about $3,281 a month.

How educated are people in Seabrook Island, South Carolina?

About 79.1% 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 6.8% 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 1,119 residents, a change of about 120 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 →