St. Johns County Demographics

A map of St. Johns County's Population by Race

St. Johns County, Florida had a population of 273,425 in 2020. It was 78.4% White, 4.7% Black, 3.6% Asian, 8.3% Hispanic, 0.7% Native American/Other, and 4.3% Multiracial. This map presents the population of St. Johns County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

St. Johns County is the 24th most populous county of the 67 counties in Florida.

St. Johns County's White Population

214,428 residents of St. Johns County identify as White, or 78.4%. This makes the White share of the population of St. Johns County considerably larger than the White share of the population of Florida (51.5% White). Of the 67 counties in Florida, St. Johns County is ranked #14 in terms of White residents as a share of the population.

St. Johns County is more White than neighboring Putnam County (68.9% White), Clay County (68.3% White), Flagler County (73.1% White), Duval County (49.4% White), and Bradford County (71.8% White).

St. Johns County's Black Population

12,940 residents of St. Johns County identify as Black, or 4.7%. This makes the Black share of the population of St. Johns County slightly less than the Black share of the population of Florida (14.5% Black). Of the 67 counties in Florida, St. Johns County is ranked #62 in terms of Black residents as a share of the population.

St. Johns County is less Black than neighboring Putnam County (15.4% Black), Clay County (11.7% Black), Flagler County (9.1% Black), Duval County (28.8% Black), and Bradford County (19.2% Black).

St. Johns County's Asian Population

9,764 residents of St. Johns County identify as Asian, or 3.6%. This makes the Asian share of the population of St. Johns County roughly similar to the Asian share of the population of Florida (2.9% Asian). Of the 67 counties in Florida, St. Johns County is ranked #8 in terms of Asian residents as a share of the population.

St. Johns County is more Asian than neighboring Putnam County (0.6% Asian), Clay County (3% Asian), Flagler County (2.1% Asian), and Bradford County (0.5% Asian). St. Johns County is less Asian than neighboring Duval County (4.9% Asian).

St. Johns County's Hispanic Population

22,607 residents of St. Johns County identify as Hispanic, or 8.3%. This makes the Hispanic share of the population of St. Johns County less than the Hispanic share of the population of Florida (26.5% Hispanic). Of the 67 counties in Florida, St. Johns County is ranked #41 in terms of Hispanic residents as a share of the population.

St. Johns County is more Hispanic than neighboring Bradford County (4.8% Hispanic). St. Johns County is less Hispanic than neighboring Putnam County (10.7% Hispanic), Clay County (10.6% Hispanic), Flagler County (10.7% Hispanic), and Duval County (11.3% Hispanic).

St. Johns County's Native American/Other Population

1,920 residents of St. Johns County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of St. Johns County roughly similar to the Native American/Other share of the population of Florida (0.9% Native American/Other). Of the 67 counties in Florida, St. Johns County is ranked #42 in terms of Native American/Other residents as a share of the population.

St. Johns County is more Native American/Other than neighboring Bradford County (0.6% Native American/Other). St. Johns County is less Native American/Other than neighboring Putnam County (0.8% Native American/Other), Clay County (1% Native American/Other), Flagler County (0.9% Native American/Other), and Duval County (1% Native American/Other).

St. Johns County's Multiracial Population

11,766 residents of St. Johns County identify as Multiracial, or 4.3%. This makes the Multiracial share of the population of St. Johns County roughly similar to the Multiracial share of the population of Florida (3.7% Multiracial). Of the 67 counties in Florida, St. Johns County is ranked #15 in terms of Multiracial residents as a share of the population.

St. Johns County is more Multiracial than neighboring Putnam County (3.6% Multiracial), Flagler County (4.1% Multiracial), and Bradford County (3.2% Multiracial). St. Johns County is less Multiracial than neighboring Clay County (5.4% Multiracial), and Duval County (4.6% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.