Demographics in Sullivan's Island, SC
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Sullivan's Island?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
2,127
Male
1,066
50.1%
Female
1,061
49.9%
Median Age
52.9
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White98.9%
Hispanic2.1%
Asian0.4%
Two or More0.8%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
68.3%
High School or Higher
69.9%
Foreign Born
2.9%
Veterans
5.5%
Married
53.0%
Avg Household Size
2.6
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Sullivan's Island, SC has a population of 2,127 with a median age of 52.9. The racial makeup is 98.9% White, 2.1% Hispanic, 0.0% Black. About 68.3% of residents hold a bachelor's degree or higher. The foreign-born population is 2.9%.