Port St. John, FL Demographics

A map of Port St. John's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	20,380	18,198	81.1%	77.5%
Hispanic	2,134	2,080	8.5%	8.9%
Black	1,227	1,263	4.9%	5.4%
Multiracial	972	1,331	3.9%	5.7%
Asian	226	346	0.9%	1.5%
Native American/Other	181	256	0.7%	1.1%

Port St. John, Florida has an estimated population of 25,120, an increase from the 23,474 recorded in the 2020 Census. The population is 81.1% White, 8.5% Hispanic, 4.9% Black, 3.9% Multiracial, 0.9% Asian, and 0.7% Native American/Other. This demographic dot map shows the population of Port St. John, with one dot drawn for each person counted by the Census, color-coded by race.

Port St. John has become considerably less 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 Port St. John, that probability was 38.5% in 2020 and 33.1% in the most recent ACS estimates.

Port St. John is ranked the 174th 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). Port St. John was ranked the 180th most populous place in the 2020 Census.

Port St. John's White Population

20,380 residents of Port St. John, or 81.1% of the population, identify as White. The share of White residents in Port St. John is significantly higher than in Florida overall, where 50.4% of the population is White. Port St. John ranks 363rd statewide in terms of White residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's White population has grown by an estimated 12.0%. White residents' share of Port St. John's population has increased from 77.5% to 81.1%.

Port St. John is more White than neighboring North Merritt Island (80.5% White), Titusville (71.7% White), and Cocoa (50.8% White). Port St. John is less White than neighboring Sharpes (85.8% White), and West Canaveral Groves (89.7% White).

Port St. John's Black Population

1,227 residents of Port St. John, or 4.9% of the population, identify as Black. The share of Black residents in Port St. John is lower than in Florida overall, where 14.6% of the population is Black. Port St. John ranks 479th statewide in terms of Black residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's Black population has declined by an estimated 2.9%. Black residents' share of Port St. John's population has decreased from 5.4% to 4.9%.

Port St. John is more Black than neighboring Sharpes (2.4% Black), West Canaveral Groves (0% Black), and North Merritt Island (0.6% Black). Port St. John is less Black than neighboring Titusville (13.2% Black), and Cocoa (22.4% Black).

Port St. John's Asian Population

226 residents of Port St. John, or 0.9% of the population, identify as Asian. The share of Asian residents in Port St. John is comparable to the share in Florida overall, where 2.9% of the population is Asian. Port St. John ranks 431st statewide in terms of Asian residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's Asian population has declined by an estimated 34.7%. Asian residents' share of Port St. John's population has decreased from 1.5% to 0.9%.

Port St. John is more Asian than neighboring Sharpes (0.8% Asian), and West Canaveral Groves (0% Asian). Port St. John is less Asian than neighboring North Merritt Island (2.5% Asian), Titusville (1.4% Asian), and Cocoa (1.3% Asian).

Port St. John's Hispanic Population

2,134 residents of Port St. John, or 8.5% of the population, identify as Hispanic. The share of Hispanic residents in Port St. John is significantly lower than in Florida overall, where 27.4% of the population is Hispanic. Port St. John ranks 575th statewide in terms of Hispanic residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's Hispanic population has grown by an estimated 2.6%. Hispanic residents' share of Port St. John's population has remained roughly unchanged at 8.5%.

Port St. John is more Hispanic than neighboring Sharpes (6.1% Hispanic). Port St. John is less Hispanic than neighboring West Canaveral Groves (10.3% Hispanic), North Merritt Island (12.3% Hispanic), and Cocoa (20.9% Hispanic).

Port St. John's Native American/Other Population

181 residents of Port St. John, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Port St. John is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. Port St. John ranks 197th statewide in terms of Native American/Other residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's Native American/Other population has declined by an estimated 29.3%. Native American/Other residents' share of Port St. John's population has remained roughly unchanged at 0.7%.

Port St. John is more Native American/Other than neighboring Sharpes (0.4% Native American/Other), West Canaveral Groves (0% Native American/Other), North Merritt Island (0.3% Native American/Other), and Cocoa (0.6% Native American/Other). Port St. John is less Native American/Other than neighboring Titusville (1.6% Native American/Other).

Port St. John's Multiracial Population

972 residents of Port St. John, or 3.9% of the population, identify as Multiracial. The share of Multiracial residents in Port St. John is comparable to the share in Florida overall, where 3.8% of the population is Multiracial. Port St. John ranks 96th statewide in terms of Multiracial residents as a share of the population, out of 956 places.

Since the 2020 Census, Port St. John's Multiracial population has declined by an estimated 27.0%. Multiracial residents' share of Port St. John's population has decreased from 5.7% to 3.9%.

Port St. John is more Multiracial than neighboring West Canaveral Groves (0% Multiracial), North Merritt Island (3.8% Multiracial), and Titusville (3.5% Multiracial). Port St. John is less Multiracial than neighboring Sharpes (4.5% 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.