Williamston is a city located in South Carolina. With a 2020 population of 4,314, it is the 73rd largest city in South Carolina and the 5183rd largest city in the United States. Williamston is currently growing at a rate of 1.15% annually and its population has increased by 9.66% since the most recent census, which recorded a population of 3,934 in 2010. Spanning over 4 miles, Williamston has a population density of 1,170 people per square mile.
The average household income in Williamston is $51,846 with a poverty rate of 14.12%. The median rental costs in recent years comes to $750 per month, and the median house value is $104,500. The median age in Williamston is 41.9 years, 39.7 years for males, and 46.3 years for females. For every 100 females there are 93.2 males.