From a total population of 365,674, Kiawah Island has a median age of 36.2. The average age of males, in Kiawah Island, is 35.1 while the average age of females is 37.6. When you compare this to median age of South Carolina, Kiawah Island is 2.1 years younger.
The median income of individuals, in Kiawah Island, is $31,198 while the average household income is $52,083. When comparing the median income of people living in Kiawah Island to the rest of South Carolina, the average income in Kiawah Island is $6,976 more.