St. Johns County, FL Population

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

TABLE OF CONTENTS

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.

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.

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).

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.