Johns Island Real Estate
Johns Island is located in South Carolina. Johns Island, South Carolina has a population of 27,959. Johns Island is less family-centric than the surrounding county with 16% of the households containing married families with children. The county average for households married with children is 24%.
The median household income in Johns Island, SC is $63,770. 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 Johns Island is 44 years old.
Johns Island Weather
The average high temperature in July is 89 degrees, with an average low temperature in January of 40 degrees. The average rainfall is approximately 48 inches per year.