What kinds of homes are in Seabrook Island, SC?

Name: Types of homes in Seabrook Island, SC, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Seabrook Island, SC has 2,574 (±223) homes (2020–2024 American Community Survey).

That is about 433 homes per square mile of land.

58.2% are detached single-family houses.

4.1% are in buildings of two to four units.

23.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,574 (±223)
Detached houses: 58.2%
2–4 unit buildings: 4.1%
5+ unit buildings: 23.7%

Homes in Seabrook Island by building size

Housing units by units in structure, 2020–2024
Building type	Seabrook Island	Charleston County	South Carolina	United States
Single-family, detached	58.2% (±5.7 points)	58.0%	64.5%	61.3%
Single-family, attached (townhouse, rowhouse)	14.0% (±3.6 points)	6.9%	3.7%	6.2%
2 units	1.4% (±1.1 points)	2.8%	1.7%	3.4%
3 or 4 units	2.7% (±2.1 points)	4.0%	2.8%	4.3%
5 to 9 units	11.9% (±4.3 points)	7.1%	4.0%	4.5%
10 to 19 units	8.7% (±3.6 points)	5.1%	3.3%	4.3%
20 or more units	3.1% (±2.5 points)	11.0%	5.6%	10.3%
Mobile home	0.0% (±1.7 points)	4.9%	14.2%	5.6%
Boat, RV, van, etc.	0.0% (±1.7 points)	0.1%	0.2%	0.1%

In Seabrook Island, the share of homes in buildings of five or more units is not measurably different from Charleston County (23.2%).

It is also higher than in South Carolina (12.9%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near Seabrook Island

Nearest places with a published estimate, compared with Seabrook Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Seabrook Island	—	23.7% (±6.1 points)	—
Rockville	2.0 mi	0.0% (±71.7 points)	Not measurably different
Kiawah Island	7.6 mi	24.0% (±5.9 points)	Not measurably different
Meggett	9.1 mi	0.0% (±10.2 points)	Lower
Edisto Beach	9.3 mi	7.8% (±2.5 points)	Lower
Hollywood	12 mi	0.0% (±2.9 points)	Lower
Ravenel	14 mi	1.2% (±6.1 points)	Lower
Folly Beach	14 mi	20.5% (±7.3 points)	Not measurably different
James Island	18 mi	1.1% (±1.7 points)	Lower

Nearby places with a measurably lower figure: Meggett, SC (0.0%), Edisto Beach, SC (7.8%), Hollywood, SC (0.0%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Charleston County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Charleston	35.5% (±1.9 points)
2	North Charleston	27.1% (±2.2 points)
3	Isle of Palms	25.3% (±5.4 points)
4	Kiawah Island	24.0% (±5.9 points)
5	Seabrook Island	23.7% (±6.1 points)
6	Mount Pleasant	20.8% (±2.0 points)
7	Folly Beach	20.5% (±7.3 points)
8	Sullivan's Island	6.2% (±4.9 points)
9	Lincolnville	3.7% (±8.5 points)
10	Ravenel	1.2% (±6.1 points)
11	James Island	1.1% (±1.7 points)

Showing 11 of 16 places in Charleston County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Seabrook Island

How many homes are in Seabrook Island?

Seabrook Island, SC has an estimated 2,574 (±223) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Seabrook Island houses or apartments?

58.2% are detached houses and 14.0% attached houses, while 27.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Seabrook Island?

4.1% of homes in Seabrook Island are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Seabrook Island town, South Carolina

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Seabrook Island town, South Carolina (place:64712, in state:45).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.