St. Augustine South, FL Demographics

A map of St. Augustine South's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,040	4,367	85.7%	86.2%
Hispanic	358	335	7.6%	6.6%
Asian	239	41	5.1%	0.8%
Multiracial	69	246	1.5%	4.9%
Black	8	41	0.2%	0.8%
Native American/Other	0	36	0.0%	0.7%

St. Augustine South, Florida has an estimated population of 4,714, a decrease from the 5,066 recorded in the 2020 Census. The population is 85.7% White, 7.6% Hispanic, 5.1% Asian, 1.5% Multiracial, 0.2% Black, and 0.0% Native American/Other. This demographic dot map shows the population of St. Augustine South, with one dot drawn for each person counted by the Census, color-coded by race.

St. Augustine South has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Florida overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In St. Augustine South, that probability was 25.0% in 2020 and 25.7% in the most recent ACS estimates.

St. Augustine South is ranked the 497th most populous place in Florida, out of 956 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). St. Augustine South was ranked the 475th most populous place in the 2020 Census.

St. Augustine South's White Population

4,040 residents of St. Augustine South, or 85.7% of the population, identify as White. The share of White residents in St. Augustine South is significantly higher than in Florida overall, where 50.4% of the population is White. St. Augustine South ranks 182nd statewide in terms of White residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's White population has declined by an estimated 7.5%. White residents' share of St. Augustine South's population has decreased from 86.2% to 85.7%.

St. Augustine South is more White than neighboring St. Augustine (84.1% White). St. Augustine South is less White than neighboring St. Augustine Shores (88.8% White), St. Augustine Beach (90.5% White), Butler Beach (92.3% White), and Vilano Beach (89% White).

St. Augustine South's Black Population

8 residents of St. Augustine South, or 0.2% of the population, identify as Black. The share of Black residents in St. Augustine South is considerably lower than in Florida overall, where 14.6% of the population is Black. St. Augustine South ranks 808th statewide in terms of Black residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's Black population has declined by an estimated 80.5%. Black residents' share of St. Augustine South's population has decreased from 0.8% to 0.2%.

St. Augustine South is more Black than neighboring Vilano Beach (0% Black). St. Augustine South is less Black than neighboring St. Augustine Shores (1% Black), St. Augustine Beach (0.3% Black), St. Augustine (3.4% Black), and Butler Beach (0.7% Black).

St. Augustine South's Asian Population

239 residents of St. Augustine South, or 5.1% of the population, identify as Asian. The share of Asian residents in St. Augustine South is slightly higher than in Florida overall, where 2.9% of the population is Asian. St. Augustine South ranks 633rd statewide in terms of Asian residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's Asian population has grown by an estimated 482.9%. Asian residents' share of St. Augustine South's population has increased from 0.8% to 5.1%.

St. Augustine South is more Asian than neighboring St. Augustine Shores (0.8% Asian), St. Augustine Beach (0.9% Asian), St. Augustine (1.9% Asian), Butler Beach (0.1% Asian), and Vilano Beach (3.5% Asian).

St. Augustine South's Hispanic Population

358 residents of St. Augustine South, or 7.6% of the population, identify as Hispanic. The share of Hispanic residents in St. Augustine South is significantly lower than in Florida overall, where 27.4% of the population is Hispanic. St. Augustine South ranks 677th statewide in terms of Hispanic residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's Hispanic population has grown by an estimated 6.9%. Hispanic residents' share of St. Augustine South's population has increased from 6.6% to 7.6%.

St. Augustine South is more Hispanic than neighboring St. Augustine Shores (4.9% Hispanic), St. Augustine Beach (4.6% Hispanic), St. Augustine (6.8% Hispanic), Butler Beach (4.7% Hispanic), and Vilano Beach (3.8% Hispanic).

St. Augustine South's Native American/Other Population

0 residents of St. Augustine South, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Augustine South is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. St. Augustine South ranks 526th statewide in terms of Native American/Other residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of St. Augustine South's population has decreased from 0.7% to 0.0%.

St. Augustine South is less Native American/Other than neighboring St. Augustine Shores (0.2% Native American/Other), St. Augustine (0.2% Native American/Other), Butler Beach (0.5% Native American/Other), and Vilano Beach (0.1% Native American/Other).

St. Augustine South's Multiracial Population

69 residents of St. Augustine South, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in St. Augustine South is slightly lower than in Florida overall, where 3.8% of the population is Multiracial. St. Augustine South ranks 176th statewide in terms of Multiracial residents as a share of the population, out of 956 places.

Since the 2020 Census, St. Augustine South's Multiracial population has declined by an estimated 72.0%. Multiracial residents' share of St. Augustine South's population has decreased from 4.9% to 1.5%.

St. Augustine South is less Multiracial than neighboring St. Augustine Shores (4.3% Multiracial), St. Augustine Beach (3.7% Multiracial), St. Augustine (3.6% Multiracial), Butler Beach (1.7% Multiracial), and Vilano Beach (3.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.