Summerville is a city located in Georgia. With a 2020 population of 4,220, it is the 154th largest city in Georgia and the 5248th largest city in the United States. Summerville is currently declining at a rate of -0.87% annually and its population has decreased by -6.93% since the most recent census, which recorded a population of 4,534 in 2010. Summerville reached it's highest population of 5,043 in 1970. Spanning over 4 miles, Summerville has a population density of 1,051 people per square mile.
The average household income in Summerville is $36,668 with a poverty rate of 31.39%. The median rental costs in recent years comes to $559 per month, and the median house value is $54,800. The median age in Summerville is 39.8 years, 40.1 years for males, and 39.8 years for females. For every 100 females there are 86.0 males.