Williston is a city located in South Carolina. With a 2020 population of 2,866, it is the 92nd largest city in South Carolina and the 6373rd largest city in the United States. Williston is currently declining at a rate of -1.14% annually and its population has decreased by -8.70% since the most recent census, which recorded a population of 3,139 in 2010. Williston reached it's highest population of 3,307 in 2000. Spanning over 9 miles, Williston has a population density of 320 people per square mile.
The average household income in Williston is $45,522 with a poverty rate of 45.18%. The median rental costs in recent years comes to $588 per month, and the median house value is $164,800. The median age in Williston is 37.2 years, 28.1 years for males, and 37.9 years for females. For every 100 females there are 112.0 males.