Kiawah Island is a city located in South Carolina. With a 2020 population of 1,762, it is the 129th largest city in South Carolina and the 8103rd largest city in the United States. Kiawah Island is currently declining at a rate of 0.00% annually and its population has increased by 8.36% since the most recent census, which recorded a population of 1,626 in 2010. Kiawah Island reached it's highest population of 1,767 in 2016. Spanning over 13 miles, Kiawah Island has a population density of 160 people per square mile.
The average household income in Kiawah Island is $264,560 with a poverty rate of 6.95%. The median rental costs in recent years comes to $2,045 per month, and the median house value is $1.41 Mn. The median age in Kiawah Island is 68 years, 69.1 years for males, and 67 years for females. For every 100 females there are 93.5 males.