Hanahan is located in southeast South Carolina. Hanahan is between the Berkeley, Charleston county. Hanahan has 10.69 square miles of land area and 0.82 square miles of water area. As of 2010-2014, the total Hanahan population is 18,999, which has grown 46.86% since 2000. The population growth rate is much higher than the state average rate of 17.83% and is much higher than the national average rate of 11.61%. Hanahan median household income is $49,871 in 2010-2014 and has grown by 26.81% since 2000. The income growth rate is higher than the state average rate of 21.44% and is about the same as the national average rate of 27.36%. Hanahan median house value is $179,300 in 2010-2014 and has grown by 68.20% since 2000. The house value growth rate is much higher than the state average rate of 44.99% and is higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Hanahan is better than the state average in quality. The Hanahan area code is 843.