St. Augustine South is a CDP located in St. Johns County, Florida. St. Augustine South has a 2026 population of 4,833. St. Augustine South is currently declining at a rate of -0.21% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median household income in St. Augustine South is $75,996 with a poverty rate of 1.81%. The median age in St. Augustine South is 50.4 years: 44.8 years for males, and 53.4 years for females. For every 100 females there are 85.5 males.
Data after 2023 is projected based on recent change
Overall: 50.4 years
Female: 53.4 years
Male: 44.8 years
There are 4,087 adults, (1,269 of whom are seniors) in St. Augustine South.
Female: 2,541 (53.9%)
Male: 2,173 (46.1%)
The racial composition of St. Augustine South includes 86.47% White, 5.07% Asian, and smaller percentages for Black or African American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,076 | 86.47% |
| Two or more races | 273 | 5.79% |
| Asian | 239 | 5.07% |
| Black or African American | 94 | 1.99% |
| Other race | 32 | 0.68% |
St. Augustine South 's average per capita income is $51,399. Household income levels show a median of $75,996. The poverty rate stands at 1.81%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,040 | - |
| Families | $84,063 | $103,890 |
| Households | $75,996 | $90,051 |
| Non Families | $54,068 | $56,542 |
Average Income
Median Household Income
Poverty Rate