St. Johns County, FL Population

The population of St. Johns County is 265,724, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
265,724
Total Population
43.8
Median age
51.06%
Female population %
95.8:100
Gender ratio (M:F)
55-59 years
Largest age group
61.0
Total dependency ratio
White
Largest racial group
20,288
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

St. Johns County's population is old compared to the rest of the country:

  • The median age in St. Johns County is 43.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • St. Johns County's population under 18 was 21.90%, compared to the 22.51% nationwide.
  • St. Johns County's elderly or the senior population (over 65 age) was 20.10% as compared to 16.04% nationwide.
  • Of the total population in St. Johns County, 17.79% were under the age of 15, 15.30% aged 15 to 29, 46.81% aged 30 to 64, 18.02% aged 65 to 84, and 2.08% were 85 years of age and older.
The graph shows St. Johns County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
St. Johns County, FL population by age group. The largest age group was 55-59 years with a poulation of 19,519 (7.35% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about St. Johns County, FL population by age ➔

Gender

There are 5,650 more females than males in St. Johns County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.06% females and 48.94% males in St. Johns County, FL.
  • The St. Johns County, FL gender ratio is 95.8:100 i.e. 95.8 men to 100 women (0.958).
  • For male population, the largest age group is 55-59 years with a population of 9,542.
  • For the female population, the largest age group is 55-59 years with a population of 9,977.
The grouped bar chart shows St. Johns County, FL population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 55-59 years (9,542) | Female # 55-59 years (9,977). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about St. Johns County, FL population by gender ➔

Race / Ethnicity

St. Johns County's population has become increasingly diverse:

  • Racial distribution of St. Johns County population: 84.87% are White, 5.35% are Black or African American, 0.13% are American Indian and Alaska Native, 3.03% are Asian, 0.07% are Native Hawaiian and other Pacific Islander, 1.22% are some other race and 5.32% are multiracial.
  • St. Johns County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
  • By ethnicity, 20,288 is Hispanic or Latino (of any race), and 245,436 (92.37% of the total population) is Non-Hispanic.
  • The largest racial group in St. Johns County is White with a population of 225,524 (84.87% of the total population).
The bar chart shows St. Johns County, FL population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
St. Johns County, FL population by race. The largest racial group in St. Johns County is White with a population of 225,524 (84.87% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about St. Johns County, FL population by race ➔

Year by year

St. Johns County's population has not reached its peak yet and is showing a trend of further growth:

  • The peak population was 306,841 in the year 2022
  • From 2000 to 2010, St. Johns County's population increased by 66,701 (53.55%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, St. Johns County's population increased by 85,817 (44.87%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
  • Between the year 2000 and 2022, St. Johns County's population was lowest in year 2000 at 124,567.
The graph shows St. Johns County's population from 2000 to 2022, with years on x-axis and population on y-axis
St. Johns County's population from 2000 to 2022. The estimated population at the end of 2022 was 306,841. Source: U.S. Census Bureau (Population Estimates Program)

Read more about St. Johns County, FL population by year ➔

References

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St. Johns County, FL Demographics

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Insights for St. Johns County, by topic

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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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