Kiawah Island is a city located in South Carolina. With a 2020 population of 1,779, it is the 129th largest city in South Carolina and the 8064th largest city in the United States . Kiawah Island is currently growing at a rate of 0.28% annually and its population has increased by 9.41% since the most recent census, which recorded a population of 1,626 in 2010. Kiawah Island reached it's highest population of in . Spanning over 13 miles, Kiawah Island has a population density of 162 people per square mile.
The average household income in Kiawah Island is $324,624 with a poverty rate of 5.70%. The median rental costs in recent years comes to $2,056 per month, and the median house value is $1.53 Mn. The median age in Kiawah Island is 67.6 years, 69 years for males, and 66.8 years for females.