South Carolina · Census place 4564712

Seabrook Island, South Carolina

Seabrook Island is a town in Charleston County, South Carolina with an estimated 2,135 residents on July 1, 2024. It is the 109th largest of 152 incorporated places of 1,000+ people in the state.

Population 2024
2,135
#109 of 152 in South Carolina
Change since 2020
+3.9%
+80 people
Land area
5.9 sq mi
+ 1.12 sq mi water
Density
359 / sq mi
State median 1,356
Orange pin: Seabrook Island. Shaded: its county. Dark pin: Columbia.

Seabrook Island population, 2020 to 2024

Seabrook Island added 80 residents from July 2020 to July 2024, a change of +3.9%. In the latest year it moved by +24.

2,05520202,06120212,08020222,11120232,1352024
July 1 estimates. The April 2020 estimates base was 2,050. The axis starts above zero so yearly changes are visible.

Seabrook Island covers 5.94 square miles of land and 1.12 of water, for 359 people per square mile of land. The median South Carolina place of 5,000+ has 1,356, so Seabrook Island is less dense than the typical town.

What county Seabrook Island is in

All of Seabrook Island's residents live in Charleston County, which had 431,001 residents in 2024. Seabrook Island holds 0.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Seabrook Island

1 ZIP Code Tabulation Area (ZCTA) overlaps Seabrook Island by at least 10% of the ZCTA's or the town's land: 29455. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Seabrook Island is

The Census internal point of Seabrook Island is at 32.575000, -80.182000. Columbia, the capital, is 110.2 miles NNW in a straight line. The nearest larger place is Hollywood, SC (5,503 people), 12.2 miles away. The nearest city of 100,000 or more is Charleston, SC, 21.3 miles away.

Internal point

Decimal
32.575000, -80.182000
DMS
32°34'30.00"N 80°10'55.20"W
UTM
17N 576779.5E 3604468.1N
Geohash
djycr6j5p
Plus code
864XHRG9+25

Daylight in Seabrook Island

At 32.58° N, Seabrook Island gets about 14 h 18 min of daylight around the June solstice and 10 h 01 min around the December solstice, a swing of 4 h 17 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Seabrook Island

The eight nearest incorporated places of 1,000+ in South Carolina, measured between internal points. The closest is Kiawah Island, 7.6 miles away, with 2,003 people.

Questions people ask

What is the population of Seabrook Island, SC?

2,135 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 80 (3.9%) from 2,055 in July 2020.

What county is Seabrook Island in?

Charleston County. All of its residents live in that county.

What ZIP codes cover Seabrook Island?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 29455.

How far is Seabrook Island from Columbia?

110.2 miles (177.3 km) in a straight line, heading NNW from Seabrook Island.

What is the nearest larger city to Seabrook Island?

Hollywood, SC, with 5,503 residents, 12.2 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.