Walterboro is located in south South Carolina. Walterboro is part of Colleton County. Walterboro has 6.49 square miles of land area and has no water area. As of 2010-2014, the total Walterboro population is 5,339, which has grown 3.61% since 2000. The population growth rate is much lower than the state average rate of 17.83% and is much lower than the national average rate of 11.61%. Walterboro median household income is $24,120 in 2010-2014 and has has shrunk by 25.09% since 2000. The income growth rate is much lower than the state average rate of 21.44% and is much lower than the national average rate of 27.36%. Walterboro median house value is $117,400 in 2010-2014 and has shrunk by -57.58% since 2000. The house value growth rate is 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 Walterboro is worse than the state average in quality. The Walterboro area code is 843.