SUMMERVILLE, SC Lowcountry-Life Summerville, SC Lowcounrty-Life is a great place to experience. Summerville is also known as Flowertown in the Pines. According to 2010 US Census, Summerville has a population of 43,392. It has grown by nearly 43% in 10 years and currently has 16,181 households with 18,557 housing units. Summerville is situated on 18 square miles approximately 24 miles NNW of Charleston. It is the 7th largest city in South Carolina. It was originally settled as a summer location for plantation owners in Charleston as a way to escape the blistering heat and swamp fever. The town of Summerville (2 comments)