Seabrook Island

Population: 2,107
Median household income: $124,519
Median home value: $899,600

Seabrook Island, a community in Charleston County, South Carolina, has 2,107 residents. At $124,519, its median household income sits above Charleston County's $84,320.

From 2019 to 2023, Seabrook Island's population grew 19.6% from 1,762 to 2,107, while its median home value rose 48.4% from $606,400 to $899,600.

58.5% of homes are single-family detached houses. The typical home was built around 1987.

Demographics

ACS 2019–2023

Population: 2,107
Median age: 68.5 yrs
Median household income: $124,519
Median home value: $899,600
Median gross rent: $3,501
Housing units: 2,522
Homeownership rate: 94.3%
Bachelor's degree or higher: 82.1%
Unemployment rate: 0.6%

Trends

ACS 5-year · 2019–2023

Population

1,7622,107

Median household income

$108,875$124,519

Median home value

$606,400$899,600

Median gross rent

$3,281$3,501

Year	Population	Median household income	Median home value	Median gross rent
2019	1,762	$108,875	$606,400	—
2020	1,810	$100,265	$620,300	$3,281
2021	1,904	$106,875	$660,900	$3,292
2022	2,062	$117,386	$757,900	$3,501
2023	2,107	$124,519	$899,600	$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 170.3%

18 to 240.1%

25 to 340.9%

35 to 442.8%

45 to 543.7%

55 to 6428.4%

65 to 7441.4%

75 and over22.4%

	Count	Share
Under 5	0	0.0%
5 to 17	7	0.3%
18 to 24	2	0.1%
25 to 34	20	0.9%
35 to 44	58	2.8%
45 to 54	77	3.7%
55 to 64	598	28.4%
65 to 74	872	41.4%
75 and over	473	22.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,033	96.5%
Black or African American	9	0.4%
American Indian & Alaska Native	1	0.0%
Asian	14	0.7%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	13	0.6%
Hispanic or Latino (any race)	37	1.8%

Educational attainment (age 25+)

No high school diploma0.4%

High school graduate4.2%

Some college or associate's13.3%

Bachelor's degree40.3%

Graduate or professional degree41.8%

	Count	Share
No high school diploma	9	0.4%
High school graduate	89	4.2%
Some college or associate's	278	13.3%
Bachelor's degree	845	40.3%
Graduate or professional degree	877	41.8%

Commute to work

Mean travel time to work: 28 min

Drove alone48.3%

Carpooled2.5%

Public transit0.0%

Walked3.8%

Bicycle0.4%

Worked from home44.9%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	328	48.3%
Carpooled	17	2.5%
Public transit	0	0.0%
Walked	26	3.8%
Bicycle	3	0.4%
Worked from home	305	44.9%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	152	40.6%
15 to 29 min	78	20.9%
30 to 44 min	15	4.0%
45 to 59 min	85	22.7%
60+ min	44	11.8%

Households

Average household size: 1.78
Poverty rate: 4.6% (97 of 2,107)

	Count	Share
Family households	859	72.6%
Nonfamily households	324	27.4%

Housing

Median year structure built: 1987

Occupancy

	Count	Share
Occupied	1,183	46.9%
Vacant	1,339	53.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,115	94.3%
Renter-occupied	68	5.7%

1-unit, detached58.5%

1-unit, attached14.5%

2 to 4 units5.3%

5 to 19 units18.9%

20 or more units2.8%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	1,475	58.5%
1-unit, attached	366	14.5%
2 to 4 units	133	5.3%
5 to 19 units	477	18.9%
20 or more units	71	2.8%
Mobile home & other	0	0.0%

Geography

Place GEOID: 4564712
Type (LSAD): 43
Land area: 5.94 sq mi
Water area: 1.12 sq mi
Center point: 32.5750, -80.1820