Summerville is a city located in Dorchester County South Carolina. With a 2020 population of 53,887, it is the 7th largest city in South Carolina and the 729th largest city in the United States . Summerville is currently growing at a rate of 1.26% annually and its population has increased by 24.19% since the most recent census, which recorded a population of 43,392 in 2010. Summerville reached it's highest population of 53,887 in 2021. Spanning over 20 miles, Summerville has a population density of 2,736 people per square mile.
The average household income in Summerville is $79,699 with a poverty rate of 11.70%. The median rental costs in recent years comes to $1,108 per month, and the median house value is $207,800. The median age in Summerville is 35.6 years, 34.5 years for males, and 36.5 years for females.