St. Augustine South is a city located in Florida. St. Augustine South has a 2020 population of 5,750. St. Augustine South is currently declining at a rate of 0.00% annually and its population has increased by 15.05% since the most recent census, which recorded a population of 4,998 in 2010. St. Augustine South reached it's highest population of 5,750 in 2018.
The average household income in St. Augustine South is $82,910 with a poverty rate of 6.21%. The median rental costs in recent years comes to $1,264 per month, and the median house value is $183,200. The median age in St. Augustine South is 46.9 years, 43.7 years for males, and 48.6 years for females. For every 100 females there are 91.9 males.