Key Biscayne, FL Population

Overview

14,530

Total Population

41.7

Median age

51.27%

Female population %

95.1:100

Gender ratio (M:F)

10-14 years

Largest age group

66.1

Total dependency ratio

White

Largest racial group

10,797

Hispanic population

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

TABLE OF CONTENTS

Age

Key Biscayne's population is old compared to the rest of the country:

The median age in Key Biscayne is 41.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Key Biscayne's population under 18 was 32.31%, compared to the 22.51% nationwide.
Key Biscayne's elderly or the senior population (over 65 age) was 14.29% as compared to 16.04% nationwide.
Of the total population in Key Biscayne, 25.52% were under the age of 15, 15.35% aged 15 to 29, 44.84% aged 30 to 64, 12.87% aged 65 to 84, and 1.42% were 85 years of age and older.

There are 368 more females than males in Key Biscayne:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.27% females and 48.73% males in Key Biscayne, FL.
The Key Biscayne, FL gender ratio is 95.1:100 i.e. 95.1 men to 100 women (0.951).
For male population, the largest age group is 10-14 years with a population of 1,142.
For the female population, the largest age group is 45-49 years with a population of 944.

Key Biscayne's population has become increasingly diverse:

Racial distribution of Key Biscayne population: 66.13% are White, 0.33% are Black or African American, 0.23% are Asian, 0.09% are Native Hawaiian and other Pacific Islander, 1.51% are some other race and 31.71% are multiracial.
Key Biscayne's racial breakdown clearly shows that there is an absolute majority of White population in the village.
By ethnicity, 10,797 is Hispanic or Latino (of any race), and 3,733 (25.69% of the total population) is Non-Hispanic.
The largest racial group in Key Biscayne is White with a population of 9,608 (66.13% of the total population).

Key Biscayne's population has already reached its peak and is showing a trend of decline:

The peak population was 14,744 in the year 2020
From 2000 to 2010, Key Biscayne's population increased by 1,907 (18.19%), as compared to the national growth of 9.63%.
From 2010 to 2020, Key Biscayne's population increased by 2,355 (19.01%), 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, Key Biscayne's population was lowest in year 2007 at 9,743.