Seabrook IslandSC
A town of 2,171.
Is Seabrook Island a good place to live?
Seabrook Island’s best subject grades are an A for health and schools and an A− for incomes; its weakest is a D− for hazard risk. 64% of residents are 65 or older in Seabrook Island, above both South Carolina’s towns (17%) and U.S. towns (18%). Only 3 of South Carolina’s 261 towns score lower on cost of living. Seabrook Island is more walkable than 72% of U.S. towns. Seabrook Island has 2 places on the National Register. Seabrook Island has fewer than 2,500 residents, so it gets subject grades but no overall grade.
What makes Seabrook Island stand out
Where Seabrook Island beats most towns, and one thing worth knowing.
| Widest gap | Seabrook Island | SC |
|---|---|---|
| Fewer adults facing food insecurity | 3% | 17.4% |
Seabrook Island has grown 27% since 2010
1,714 counted in 2010 and 2,050 in 2020; an estimated 2,171 in 2025.
U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025
How Seabrook Island grades
Each subject compared with towns across the country (schools within South Carolina), ordered by how far Seabrook Island is from typical.
How TownRatings grades towns →
Moving to Seabrook Island: who provides what
Who provides power, water and the rest in Seabrook Island, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
The data
Ordered by what stands out in Seabrook Island.
The median rent in Seabrook Island is higher than in the typical South Carolina or U.S. town
Seabrook Island’s median rent is $3,501 a month, above both the South Carolina town median ($1,060 a month) and the median of U.S. towns ($1,185 a month). 96% of households own their home in Seabrook Island. Typical home values rose 6.5% in the year to September 2026.
| Seabrook Island | South Carolina towns | U.S. towns | |
|---|---|---|---|
| Median rent | $3,501 a month | $1,060 a month | $1,185 a month |
| Households that own their home | 96% | 65% | 73% |
Typical home value
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Seabrook Island stands out in South Carolina and nationally: a smaller share of its adults smoke cigarettes
4.7% of Seabrook Island adults smoke cigarettes. No town among the 170 in South Carolina we compare has a lower share of adults who sleep under 7 hours than Seabrook Island. 15% of Seabrook Island adults get no exercise outside work.
| Seabrook Island | South Carolina towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 4.7% | 15% | 14% |
| Obesity (CDC PLACES) | 23% | 37% | 35% |
| Frequent mental distress (CDC PLACES) | 7.4% | 18% | 17% |
| Sleep under 7 hours (CDC PLACES) | 20% | 38% | 36% |
| What stands out | Seabrook Island | SC |
|---|---|---|
| Fewer adults facing food insecurity | 3% | 17.4% |
| Fewer adults facing housing insecurity | 2.3% | 13.3% |
| More adults who have had cancer | 19.3% | 8.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Seabrook Island faces a very high natural-hazard risk, led by hurricanes
Expected storm and flood damage is higher than in 97% of U.S. communities. Since 1992, 73 flood insurance claims have been paid out in Seabrook Island.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Mild winters and hot summers in Seabrook Island
Seabrook Island has warm winters and warm summers, with plenty of rain. Seabrook Island’s July high is 90°F.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
About one in ten working residents works right in Seabrook Island
Most working residents leave Seabrook Island for work: only 10% work in town. The median household income in Seabrook Island is $128,000. Since 2013, Seabrook Island has added 149 jobs, to 492 in 2023.
| Seabrook Island | South Carolina towns | U.S. towns | |
|---|---|---|---|
| Median household income | $128,000 | $57,000 | $80,000 |
| Below the poverty line | 4.4% | 17% | 9.6% |
| Average trip to work | 28 minutes | 24 minutes | 25 minutes |
| Working residents who work in town | 10% | 6.1% | 8% |
Where working residents work
Census LEHD 2023 · ACS
USS Yorktown and 35 more within 40 miles
Museums, parks, gardens and other places to visit around Seabrook Island. Close and well known come first.
Big draw22 mi MuseumUSS Yorktown
Big draw23 mi MuseumH. L. Hunley
22 mi MuseumUSS Laffey
12 mi Park & preserveAngel Oak
20 mi LandmarkFort Wagner
20 mi DamThe BatteryPhoto credits
USS Yorktown: David Ratledge, CC BY 4.0 · H. L. Hunley: Sepia wash drawing by R.G. Skerrett, 1902, after a painting then held by the Con, Public domain · USS Laffey: U.S. Navy, Public domain · Angel Oak: Galen Parks Smith, CC BY-SA 3.0 · Fort Wagner: Unknown authorUnknown author, Public domain · The Battery: Eagledj, CC BY-SA 4.0
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Everything we know about Seabrook Island
Colleges nearby
None within 15 miles of Seabrook Island; the nearest are
About 1 of every 100 Seabrook Island residents are enrolled in college, against 6 across South Carolina.
Seabrook Island lives by the ocean
Coastal flooding makes up 22% of the storm damage FEMA expects here.
FEMA National Risk Index · OpenFEMA · OpenStreetMap
About Seabrook Island
Town in South Carolina, United States
Seabrook Island, formerly known as Simmons Island, is a barrier island in Charleston County, South Carolina, United States. As of the 2020 census, Seabrook Island had a population of 2,050. Seabrook Island is part of the Charleston-North Charleston-Summerville metropolitan area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 7.0 sq mi
- Elevation
- 16 ft
- Area code
- 843
Seabrook Island’s neighbors
2 towns share a border with Seabrook Island.
| Town | SC rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Seabrook Island | — | — | D | — | A | A |
| Kiawah Island | — | — | D | — | A | A |
| Rockville | — | — | — | — | — | — |
Seabrook Island and Kiawah Island have fewer than 2,500 residents, so they get subject grades but no overall grade. Seabrook Island and Kiawah Island report no FBI crime data of their own. Rockville isn’t graded (fewer than 1,000 residents, or not enough data). Compare Seabrook Island with a neighbor →
Questions about Seabrook Island
Short answers, built from the data on this page.
Is Seabrook Island, SC expensive?
Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades D.