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 and multiracial populations.

Population by Race

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%

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