Walterboro is a city located in Colleton County South Carolina. With a 2020 population of 5,364, it is the 62nd largest city in South Carolina and the 4575th largest city in the United States . Walterboro is currently declining at a rate of -0.57% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 5,398 in 2010. Walterboro reached it's highest population of in . Spanning over 7 miles, Walterboro has a population density of 784 people per square mile.
The average household income in Walterboro is $43,738 with a poverty rate of 21.03%. The median rental costs in recent years comes to $593 per month, and the median house value is $107,600. The median age in Walterboro is 37.9 years, 38.7 years for males, and 37 years for females.