St. Augustine South

County:: St. Johns County
County Seat:: No
Area (mi²):: 1.585
State:: Florida

St. Augustine South is a CDP located in St. Johns County, Florida. St. Augustine South has a 2025 population of 5,109. St. Augustine South is currently growing at a rate of 0.14% annually and its population has increased by 2.3% since the most recent census, which recorded a population of 4,994 in 2020.

The average household income in St. Augustine South is $90,505 with a poverty rate of 1.9%. The median age in St. Augustine South is 50.5 years: 49.2 years for males, and 51 years for females.

Demographics

The racial composition of St. Augustine South includes 88.36% White, 5.12% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,298	88.36%
Asian	249	5.12%
Two or more races	242	4.98%
Black or African American	66	1.36%
Other race	9	0.19%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

St. Augustine South Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Augustine South's average per capita income is $50,656. Household income levels show a median of $74,873. The poverty rate stands at 1.9%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$91,863	-
Families	$82,662	$102,152
Households	$74,873	$90,505
Non Families	$54,487	$59,433

$50,656

Average Income

$74,873

Median Household Income

1.9%

Poverty Rate