Key Biscayne, Florida Population 2024

14,303

Key Biscayne Demographics

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

  • Two or more races: 51.04%
  • White: 45.33%
  • Other race: 2.35%
  • Black or African American: 0.96%
  • Asian: 0.22%
  • Native Hawaiian or Pacific Islander: 0.1%
  • Native American: 0%
State
Florida
Land Area (mi²)
1.2 sq mi
Density (mi²)
11,467.70/sq mi
Growth Since 2020
-3% (-442)
The current population of Key Biscayne, Florida is 14,303 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 14,745.

Population by Race

Race
Population
Percentage (of total)
Two or more races7,43251.04%
White6,60045.33%
Other race3422.35%
Black or African American1400.96%
Asian320.22%
Native Hawaiian or Pacific Islander140.1%
Native American00%

Two or more races

White

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

Key Biscayne Population by Race

Key Biscayne Population Pyramid 2024

Key Biscayne Median Age

43.1

Total

37.5

Male

46.4

Female

Key Biscayne Adults

There are 10,077 adults, (2,400 of whom are seniors) in Key Biscayne.

Key Biscayne Age Dependency

89.7

Age Dependency Ratio

31.3

Old Age Dependency Ratio

58.4

Child Dependency Ratio

Key Biscayne Sex Ratio

Female7,30150.14%
Male7,25949.86%

Key Biscayne Population by Age

Key Biscayne Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,9852.9269.330.7
Married3,2253.6170.529.5
Non Family1,1741.1179.520.5
Female5182.6936.563.5
Male683.0688.211.8

3.37

Average Family Size

2.92

Average Household Size

69.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Key Biscayne Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1331.41%
Associates Degree4094.34%
Bachelors Degree3,21534.13%
Graduate Degree3,79540.29%
High School Graduate7548.01%
Less Than 9th Grade2092.22%
Some College9049.6%

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

Race
Total
High School
Bachelors
Hispanic6,5516,2354,809
2+ Races4,5384,3163,416
White2,5122,4861,976
Other Race275247156
Black883313
Asian32320
Islander141414

The highest rate of high school graduation is among asian 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

Name
Average
Male
Female
Bachelors Degree$89,259$167,209$58,523
Graduate Degree$134,485$207,634$82,845
High School Graduate$22,244$73,537$0
Less Than 9th Grade$69,868$57,105$70,505
Overall$87,091$163,646$60,935
Some College$58,625$102,770$18,940

$87,091

Average Earnings

$163,646

Average Male

$60,935

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

17.21% of Key Biscayne residents speak only English, while 82.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 72.18% of the population.

Key Biscayne Language

Key Biscayne Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic10,6038848.34%
Multiple7,4325317.14%
White3,3721955.78%
Other3423510.23%

7.73%

Overall Poverty Rate

6.57%

Male Poverty Rate

8.89%

Female Poverty Rate

Poverty in Key Biscayne

The race most likely to be in poverty in Key Biscayne is Other, with 10.23% below the poverty level.

The race least likely to be in poverty in Key Biscayne is White, with 5.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.31%. Among those working part-time, it was 12.16%, and for those that did not work, the poverty rate was 13.45%.

Key Biscayne Poverty

rate

Rate
Poverty
High School26.66%
Some College11.81%
Less Than 9th Grade8.19%
Bachelors or Greater5.59%

Key Biscayne Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed28.05%
Female Unemployed15.83%
Female Employed6.32%
Male Employed2.22%

Key Biscayne Poverty Rate by Employment Status and Sex

Key Biscayne Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$241,454$321,865
Households$172,604$273,222
Married Families$250,001$-999,999,999
Non Families$53,929$105,007

mean

median

Income by Household Type

Key Biscayne Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.9%

Overall Marriage Rate

68.1%

Male Marriage Rate

54.9%

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

144

Number of Veterans

134

Male Veterans

10

Female Veterans

War
Veterans
Vietnam93
Korea19
Second Gulf War3
First Gulf War3
World War II0

Key Biscayne Veterans by War

count

Age Group
Veterans
75+89
65 to 7449
35 to 546
18 to 340
55 to 640

Key Biscayne Veterans by Age

count

Name
Veterans
% of Total
White1202.55%
Hispanic430.61%
2+ Races240.49%

Key Biscayne Veterans by Race

Key Biscayne Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.03%

Veteran Poverty Rate

50%

Veteran Disability Rate

Key Biscayne Veterans by Education

LaborForceParticipation

59.8%

Labor Force Participation

57.8%

Employment Rate

3.4%

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

22.38%

Born in Key Biscayne

41.44%

Native Born

58.56%

Foreign Born

29.99%

Non Citizen

28.57%

Naturalized

Place of Birth

41.44% of Key Biscayne residents were born in the United States, with 22.38% having been born in Florida. 29.99% 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 2022 is projected based on recent change
Year
Population
Growth
Change
202913,751-111-0.8%
202813,862-110-0.79%
202713,972-110-0.78%
202614,082-111-0.78%
202514,193-110-0.77%
202414,303-111-0.77%
202314,414-17-0.12%
202214,431-93-0.64%
202114,524-221-1.5%
202014,7451,92615.02%
201912,819-85-0.66%
201812,904-72-0.55%
201712,976650.5%
201612,911860.67%
201512,825430.34%
201412,78270.05%
201312,775960.76%
201212,6791331.06%
201112,5461571.27%
201012,38900%
200010,507-3,244-23.59%

Key Biscayne Population by Year