Census-designated place · Florida

St. Augustine South, Florida

St. Augustine South, census-designated place, in St. Johns County, Florida. St. Augustine South had 4,714 people in the ACS 2020-2024 5-year estimates (±547). GEOID 1262562.

Residents, 2020-2024

4,714

±547 (90% margin)
2020 Census count: 5,066

Median household income

$75,996

±$12,636 (90% margin)
Florida: $74,568

Median home value

$347,400

±$23,768 (90% margin)
Florida: $359,000

Median gross rent

$1,448

±$459 (90% margin)
Florida: $1,669

Where is St. Augustine South and what county is it in?

St. Augustine South is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in St. Johns County, Florida. It covers 1.6 square miles of land, 3,196 residents per square mile in 2020.

St. Augustine South is in the Jacksonville, FL metropolitan statistical area, which takes in 5 counties (Census Bureau delineation, July 2023).

St. Augustine South (marked with a dot) in St. Johns County, Florida. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in St. Augustine South, and is it growing?

The 2020-2024 American Community Survey puts St. Augustine South's population at 4,714 (±547). The 2020 Census counted 5,066 residents.

The Census Bureau publishes yearly population estimates for incorporated places only; St. Augustine South is a census-designated place, so its figures come from the ACS and the 2020 Census.

ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure St. Augustine SouthSt. Johns CountyFlorida Change since 2015-2019
Total population 4,714 ±547 306,934 22,416,077 no clear change
Households 2,113 ±256 115,794 8,752,810 no clear change
Average household size 2.22 ±0.16 2.62 2.51 −0.46
Housing units 2,458 ±246 133,504 10,256,470 no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in St. Augustine South?

The median resident of St. Augustine South is 50.4 years old; 13.3% are under 18 and 26.9% are 65 or older. The largest group is non-Hispanic white residents at 85.7%, then Hispanic or Latino residents (of any race) at 7.6%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure St. Augustine SouthSt. Johns CountyFlorida Change since 2015-2019
Median age 50.4 ±5.6 44.2 42.6 no clear change
Under 18 years 13.3% ±4.3 pts 21.6% 19.5% –
65 years and over 26.9% ±5.0 pts 21.1% 21.3% –
Male 46.1% ±4.5 pts 48.9% 49.1% –
Hispanic or Latino (any race) 7.6% ±5.5 pts 9.1% 27.4% –
White alone, not Hispanic 85.7% ±6.8 pts 77.4% 50.4% no clear change
Black or African American alone, not Hispanic 0.2% ±0.4 pts 4.9% 14.6% –
Asian alone, not Hispanic 5.1% ±4.3 pts 3.7% 2.9% –
American Indian and Alaska Native alone, not Hispanic 0.0% ±1.1 pts 0.0% 0.1% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±1.1 pts 0.0% 0.1% –
Two or more races, not Hispanic 1.5% ±1.4 pts 4.2% 3.8% –
Some other race alone, not Hispanic 0.0% ±1.1 pts 0.6% 0.7% –
Born outside the United States 2.4% ±1.9 pts 9.4% 21.9% –
Speak a language other than English at home (age 5+) 3.9% ±3.3 pts 11.4% 30.6% –
Civilian veterans (age 18+) 5.7% ±3.1 pts 9.8% 7.4% –
With a disability 16.0% ±3.9 pts 11.1% 13.7% –
No health insurance coverage 9.5% ±4.2 pts 5.3% 11.5% no clear change
High school graduate or higher (age 25+) 95.3% ±3.1 pts 95.8% 89.9% –
Bachelor's degree or higher (age 25+) 43.1% ±7.4 pts 50.9% 34.1% +11.6 pts
Graduate or professional degree (age 25+) 14.8% ±5.3 pts 19.3% 12.9% –
Lived in the same house a year earlier 91.6% ±6.7 pts 85.5% 86.3% –
Moved from another state in the past year 1.1% ±1.6 pts 5.3% 2.9% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in St. Augustine South earn?

Half of St. Augustine South's 2,113 households earn less than $75,996 a year (±$12,636), against $109,839 in St. Johns County and $74,568 in Florida. In 2015-2019 it was $81,922 in 2024 dollars; the margins of error cannot tell the two periods apart.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure St. Augustine SouthSt. Johns CountyFlorida Change since 2015-2019
Median household income $75,996 ±$12,636 $109,839 $74,568 no clear change
Mean household income $90,051 ±$10,693 $148,427 $105,967 –
Per capita income $40,545 ±$4,669 $57,346 $42,609 no clear change
People below the poverty line 1.8% ±1.3 pts 6.5% 12.6% –
Children under 18 below the poverty line 0.0% ±8.2 pts 6.5% 16.5% –
Households receiving SNAP 7.6% ±4.5 pts 4.2% 12.6% –
Households with a computer 92.1% ±5.5 pts 97.4% 96.6% –
Households with a broadband subscription 90.3% ±6.0 pts 95.4% 91.6% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in St. Augustine South?

Owners occupy 94.3% of St. Augustine South's occupied homes and renters 5.7%. The median owner-occupied home is valued at $347,400 by its owner (±$23,768). The median renter pays $1,448 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure St. Augustine SouthSt. Johns CountyFlorida Change since 2015-2019
Median home value (owner-occupied) $347,400 ±$23,768 $489,200 $359,000 +$90,923
Median gross rent $1,448 ±$459 $1,922 $1,669 no clear change
Renters paying 35% or more of income on rent 16.0% ±43.1 pts 50.1% 50.2% –
Median monthly owner costs, with a mortgage $1,482 ±$126 $2,351 $1,959 –
Owner-occupied homes 94.3% ±4.8 pts 82.2% 67.6% +8.3 pts
Renter-occupied homes 5.7% ±4.8 pts 17.8% 32.4% –
Housing units 2,458 ±246 133,504 10,256,470 no clear change
Homeowner vacancy rate 2.3% ±3.5 pts 1.6% 1.4% –
Rental vacancy rate 29.4% ±39.7 pts 5.2% 7.6% –
Single-family detached homes 100.0% ±2.1 pts 72.1% 54.7% –
Mobile homes 0.0% ±2.1 pts 4.8% 8.0% –
Built 2020 or later 0.0% ±2.1 pts 10.9% 3.2% –
Built 2010 to 2019 2.7% ±2.4 pts 23.8% 11.0% –
Built 1939 or earlier 0.0% ±2.1 pts 2.5% 1.9% –
Households with no vehicle 0.0% ±2.5 pts 3.1% 6.0% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How do people in St. Augustine South work and get to work?

72.6% of St. Augustine South's workers drive alone and 8.9% work from home. The average trip to work takes 18.1 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure St. Augustine SouthSt. Johns CountyFlorida Change since 2015-2019
In the labor force (age 16+) 65.1% ±7.2 pts 60.6% 59.8% –
Unemployment rate 2.6% ±3.3 pts 3.3% 4.8% –
Drove alone to work 72.6% ±9.8 pts 63.8% 70.2% –
Carpooled 17.1% ±7.9 pts 6.5% 9.2% –
Public transportation 0.0% ±2.0 pts 0.1% 1.2% –
Walked 0.0% ±2.0 pts 0.8% 1.4% –
Worked from home 8.9% ±4.6 pts 26.7% 15.7% –
Mean travel time to work 18.1 min ±2.9 26.9 min 28.0 min no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in St. Augustine South?

1 census tract lies mostly in St. Augustine South (2020 census blocks).

Census tracts in St. Augustine South, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in St. Augustine South
Tract 213.02St. Johns County4,925 $76,122 $351,60078%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in St. Augustine South) · Census block assignment files

How does St. Augustine South compare with other places in Florida?

St. Augustine South ranks 330th of 754 places in Florida with 1,000 or more residents and a reliable estimate, by median household income.

St. Augustine South's rank in Florida (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population (ACS 2020-2024)496th766
Residents per square mile235th770
Median household income330th754
Per capita income337th763
Median home value360th749
Median gross rent419th710
Bachelor's degree or higher185th733
Median age220th762
Owner-occupied share31st760
Work from home516th596
Travel time to work738th764

St. Augustine South's figures with every place in Florida (CSV)

Every place in Florida, sortable · Compare St. Augustine South with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for St. Augustine South?

24 of the 57 figures for St. Augustine South on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for St. Augustine South are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.