Hanahan is located in South Carolina. Hanahan, South Carolina has a population of 20,888. Hanahan is less family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 30%.
The median household income in Hanahan, South Carolina is $69,312. The median household income for the surrounding county is $66,504 compared to the national median of $66,222. The median age of people living in Hanahan is 38.3 years.
The average high temperature in July is 90.9 degrees, with an average low temperature in January of 36.9 degrees. The annual precipitation is 51.53.