St. Stephen is a city located in South Carolina. With a 2020 population of 1,828, it is the 128th largest city in South Carolina and the 7963rd largest city in the United States . St. Stephen is currently growing at a rate of 0.38% annually and its population has increased by 7.72% since the most recent census, which recorded a population of 1,697 in 2010. St. Stephen reached it's highest population of in . Spanning over 2 miles, St. Stephen has a population density of 754 people per square mile.
The average household income in St. Stephen is $39,836 with a poverty rate of 43.00%. The median rental costs in recent years comes to $603 per month, and the median house value is $132,200. The median age in St. Stephen is 35.4 years, 35.8 years for males, and 34.5 years for females.