Seabrook Island, SC Demographics

A map of Seabrook Island's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,118	1,983	96.1%	96.7%
Hispanic	40	21	1.8%	1.0%
Multiracial	27	25	1.2%	1.2%
Asian	13	9	0.6%	0.4%
Black	5	10	0.2%	0.5%
Native American/Other	1	2	0.0%	0.1%

Seabrook Island, South Carolina has an estimated population of 2,204, an increase from the 2,050 recorded in the 2020 Census. The population is 96.1% White, 1.8% Hispanic, 1.2% Multiracial, 0.6% Asian, 0.2% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Seabrook Island, with one dot drawn for each person counted by the Census, color-coded by race.

Seabrook Island has become more racially diverse since the 2020 Census. It is considerably less diverse than South Carolina overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Seabrook Island, that probability was 6.4% in 2020 and 7.6% in the most recent ACS estimates.

Seabrook Island is ranked the 183rd most populous place in South Carolina, out of 475 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Seabrook Island was ranked the 188th most populous place in the 2020 Census.

Seabrook Island's White Population

2,118 residents of Seabrook Island, or 96.1% of the population, identify as White. The share of White residents in Seabrook Island is significantly higher than in South Carolina overall, where 61.9% of the population is White. Seabrook Island ranks 2nd statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's White population has grown by an estimated 6.8%. White residents' share of Seabrook Island's population has decreased from 96.7% to 96.1%.

Seabrook Island is more White than neighboring Rockville (92.6% White), Meggett (89.7% White), and Hollywood (55.4% White). Seabrook Island is less White than neighboring Kiawah Island (98.2% White), and Edisto Beach (98% White).

Seabrook Island's Black Population

5 residents of Seabrook Island, or 0.2% of the population, identify as Black. The share of Black residents in Seabrook Island is significantly lower than in South Carolina overall, where 24.6% of the population is Black. Seabrook Island ranks 458th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's Black population has declined by an estimated 50.0%. Black residents' share of Seabrook Island's population has remained roughly unchanged at 0.2%.

Seabrook Island is more Black than neighboring Rockville (0% Black), and Edisto Beach (0.1% Black). Seabrook Island is less Black than neighboring Kiawah Island (0.3% Black), Meggett (7.5% Black), and Hollywood (38.8% Black).

Seabrook Island's Asian Population

13 residents of Seabrook Island, or 0.6% of the population, identify as Asian. The share of Asian residents in Seabrook Island is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Seabrook Island ranks 254th statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's Asian population has grown by an estimated 44.4%. Asian residents' share of Seabrook Island's population has remained roughly unchanged at 0.6%.

Seabrook Island is more Asian than neighboring Rockville (0% Asian), Meggett (0.2% Asian), and Edisto Beach (0.5% Asian). Seabrook Island is less Asian than neighboring Kiawah Island (1% Asian), and Hollywood (1.4% Asian).

Seabrook Island's Hispanic Population

40 residents of Seabrook Island, or 1.8% of the population, identify as Hispanic. The share of Hispanic residents in Seabrook Island is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Seabrook Island ranks 431st statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's Hispanic population has grown by an estimated 90.5%. Hispanic residents' share of Seabrook Island's population has increased from 1.0% to 1.8%.

Seabrook Island is more Hispanic than neighboring Rockville (1.7% Hispanic), Kiawah Island (0.2% Hispanic), Meggett (1.5% Hispanic), and Edisto Beach (0.5% Hispanic). Seabrook Island is less Hispanic than neighboring Hollywood (3% Hispanic).

Seabrook Island's Native American/Other Population

1 residents of Seabrook Island, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Seabrook Island is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Seabrook Island ranks 417th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's Native American/Other population has declined by an estimated 50.0%. Native American/Other residents' share of Seabrook Island's population has remained roughly unchanged at 0.0%.

Seabrook Island is less Native American/Other than neighboring Rockville (1.7% Native American/Other), and Hollywood (0.2% Native American/Other).

Seabrook Island's Multiracial Population

27 residents of Seabrook Island, or 1.2% of the population, identify as Multiracial. The share of Multiracial residents in Seabrook Island is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. Seabrook Island ranks 450th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Seabrook Island's Multiracial population has grown by an estimated 8.0%. Multiracial residents' share of Seabrook Island's population has remained roughly unchanged at 1.2%.

Seabrook Island is more Multiracial than neighboring Kiawah Island (0.3% Multiracial), Meggett (1% Multiracial), and Edisto Beach (0.9% Multiracial). Seabrook Island is less Multiracial than neighboring Rockville (4.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.