From a total population of 3,087, Williston has a median age of 37.8. The average age of males, in Williston, is 31.7 while the average age of females is 42.2. When you compare this to median age of South Carolina, Williston is 0.5 years younger.
The median income of individuals, in Williston, is $14,122 while the average household income is $28,362. When comparing the median income of people living in Williston to the rest of South Carolina, the average income in Williston is $10,100 less.