From a total population of 1,711, Seabrook Island has a median age of 65.7. The average age of males, in Seabrook Island, is 66.8 while the average age of females is 65.2. When you compare this to median age of South Carolina, Seabrook Island is 27.4 years older.
The median income of individuals, in Seabrook Island, is $75,221 while the average household income is $96,250. When comparing the median income of people living in Seabrook Island to the rest of South Carolina, the average income in Seabrook Island is $50,999 more.