South Bay is a city located in Florida. With a 2020 population of 5,219, it is the 224th largest city in Florida and the 4629th largest city in the United States. South Bay is currently growing at a rate of 0.33% annually and its population has increased by 7.03% since the most recent census, which recorded a population of 4,876 in 2010. Spanning over 4 miles, South Bay has a population density of 1,824 people per square mile.
The average household income in South Bay is $55,325 with a poverty rate of 31.81%. The median rental costs in recent years comes to $819 per month, and the median house value is $82,200. The median age in South Bay is 39.1 years, 40.2 years for males, and 27.6 years for females. For every 100 females there are 416.2 males.