Summerville is a city located in Dorchester County, South Carolina. With a 2020 population of 54,198, it is the 7th largest city in South Carolina and the 728th largest city in the United States. Summerville is currently growing at a rate of 2.37% annually and its population has increased by 24.90% since the most recent census, which recorded a population of 43,392 in 2010. Spanning over 20 miles, Summerville has a population density of 2,752 people per square mile.
The average household income in Summerville is $77,619 with a poverty rate of 12.60%. The median rental costs in recent years comes to $1,059 per month, and the median house value is $199,500. The median age in Summerville is 35.5 years, 33.6 years for males, and 37.2 years for females. For every 100 females there are 96.9 males.