Walterboro is a city located in South Carolina. With a 2020 population of 5,428, it is the 59th largest city in South Carolina and the 4527th largest city in the United States. Walterboro is currently declining at a rate of -0.37% annually but its population has increased by 0.56% since the most recent census, which recorded a population of 5,398 in 2010. Walterboro reached it's highest population of 6,257 in 1970. Spanning over 7 miles, Walterboro has a population density of 793 people per square mile.
The average household income in Walterboro is $40,727 with a poverty rate of 25.77%. The median rental costs in recent years comes to $705 per month, and the median house value is $113,200. The median age in Walterboro is 34.2 years, 33.3 years for males, and 35.7 years for females. For every 100 females there are 65.4 males.