Key Biscayne, Florida Population 2023

14,028

Key Biscayne is a city located in Miami-Dade County Florida. Key Biscayne has a 2023 population of 14,028. Key Biscayne is currently declining at a rate of -1.6% annually and its population has decreased by -4.71% since the most recent census, which recorded a population of 14,722 in 2020.

The average household income in Key Biscayne is $245,008 with a poverty rate of 7.56%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Key Biscayne is 41.7 years, 37.9 years for males, and 44.2 years for females.

Key Biscayne Demographics

According to the most recent ACS, the racial composition of Key Biscayne was:

  • White: 66.13%
  • Two or more races: 31.71%
  • Other race: 1.51%
  • Black or African American: 0.33%
  • Asian: 0.23%
  • Native Hawaiian or Pacific Islander: 0.09%
  • Native American:
State
Florida
Land Area (mi²)
1.2 sq mi
Density (mi²)
11,247.20/sq mi
Growth Rate
-1.6% (-228)
Growth Since 2020
-4.71% (-694)
The current population of Key Biscayne, Florida is 14,028 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 14,722.

Key Biscayne, Florida Population 2023

Population by Race

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Race
Population
Percentage (of total)
White9,60866.13%
Two or more races4,60731.71%
Other race2201.51%
Black or African American480.33%
Asian340.23%
Native Hawaiian or Pacific Islander130.09%
Native American
showing: 7 rows

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

Key Biscayne Population by Race

Key Biscayne Population Pyramid 2023

Key Biscayne Median Age

41.7

Total

37.9

Male

44.2

Female

Key Biscayne Adults

There are 9,836 adults, (2,076 of whom are seniors) in Key Biscayne.

Key Biscayne Age Dependency

87.2

Age Dependency Ratio

26.8

Old Age Dependency Ratio

60.5

Child Dependency Ratio

Key Biscayne Sex Ratio

Female7,44951.27%
Male7,08148.73%

Key Biscayne Population by Age

Key Biscayne Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,5803.1769.130.9
Married3,0693.8870.329.7
Non Family9961.0971.928.1
Female4472.9453.546.5
Male683.387525
showing: 5 rows

3.59

Average Family Size

3.17

Average Household Size

69.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Key Biscayne Households and Families

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Key Biscayne Educational Attainment by Sex (over 25)

Key Biscayne Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among islander people with a rate of 100%.

Key Biscayne Educational Attainment by Race

All

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

$79,146

Average Earnings

$150,038

Average Male

$44,698

Average Female

Key Biscayne Earnings by Educational Attainment

Key Biscayne Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Key Biscayne Language

16.93% of Key Biscayne residents speak only English, while 83.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 73.97% of the population.

Key Biscayne Language

Key Biscayne Poverty by Race

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Name
Total
In Poverty
Poverty Rate
Hispanic10,7977907.32%
Multiple4,6074309.33%
White3,4062286.69%
Other2203616.36%
showing: 4 rows

7.56%

Overall Poverty Rate

6.13%

Male Poverty Rate

8.91%

Female Poverty Rate

Poverty in Key Biscayne

The race most likely to be in poverty in Key Biscayne is Other, with 16.36% below the poverty level.

The race least likely to be in poverty in Key Biscayne is White, with 6.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.21%. Among those working part-time, it was 10.04%, and for those that did not work, the poverty rate was 12.8%.

Key Biscayne Poverty

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
High School34.57%
Less Than 9th Grade16.01%
Some College8.35%
Bachelors or Greater4.43%
showing: 4 rows

Key Biscayne Poverty Rate by Education

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
Female Unemployed9.7%
Male Unemployed8.04%
Female Employed6.38%
Male Employed2.33%
showing: 4 rows

Key Biscayne Poverty Rate by Employment Status and Sex

Key Biscayne Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

mean

median

Income by Household Type

Key Biscayne Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.7%

Overall Marriage Rate

63.5%

Male Marriage Rate

54.4%

Female Marriage Rate

Key Biscayne Married by Age and Sex

male

female

Key Biscayne Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Key Biscayne Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Key Biscayne Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

194

Number of Veterans

194

Male Veterans

Female Veterans

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Key Biscayne Veterans by War

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Key Biscayne Veterans by Age

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Key Biscayne Veterans by Race

Key Biscayne Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

32.47%

Veteran Disability Rate

Key Biscayne Veterans by Education

LaborForceParticipation

59.5%

Labor Force Participation

57.1%

Employment Rate

3.9%

Unemployment Rate

Key Biscayne Employment by Age

LaborForceParticipation

Key Biscayne Employment by Race

LaborForceParticipation

Key Biscayne Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

25.26%

Born in Key Biscayne

42.97%

Native Born

57.03%

Foreign Born

32.85%

Non Citizen

24.18%

Naturalized

Place of Birth

42.97% of Key Biscayne residents were born in the United States, with 25.26% having been born in Florida. 32.85% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Key Biscayne Place of Birth

Note: data after 2021 is projected based on recent change

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Year
Population
Growth
Growth Rate
200010,507-2,2300.67%
201012,344
201112,5902461.99%
201212,8362461.95%
201313,0822461.92%
201413,3282461.88%
201513,5742461.85%
201613,8202461.81%
201714,0662461.78%
201814,3122461.75%
201914,5582461.72%
202014,7221641.13%
202114,487-235-1.6%
202214,256-231-1.59%
202314,028-228-1.6%
202413,804-224-1.6%
202513,584-220-1.59%
202613,367-217-1.6%
202713,154-213-1.59%
202812,944-210-1.6%
202912,737-207-1.6%
showing: 21 rows

Key Biscayne Population by Year