Sullivans Island Real Estate
Sullivans Island is located in South Carolina. Sullivans Island, South Carolina has a population of 1,830. Sullivans Island is more family-centric than the surrounding county with 31% of the households containing married families with children. The county average for households married with children is 24%.
The median household income in Sullivans Island, SC is $101,806. The median household income for the surrounding county is $51,847 compared to the national median of $50,013. The median age of people living in Sullivans Island is 49 years old.
Sullivans Island Weather
The average high temperature in July is 89 degrees, with an average low temperature in January of 38 degrees. The average rainfall is approximately 49 inches per year.